Biography of John III King Portugal 1502-1557
Paternal Family Tree: Capet
Maternal Family Tree: Leonor de Alvim
On 25 Oct 1495 John II King Portugal (age 40) died. On 25 Oct 1495 His first cousin [his father] Manuel "Fortunate" I King Portugal (age 26) succeeded I King Portugal.
In 1497 [his father] Manuel "Fortunate" I King Portugal (age 27) and [his aunt] Isabella Trastámara Queen Consort Portugal (age 27) were married. She by marriage Queen Consort Portugal. He would, three years later, marry her younger sister [his mother] Maria Trastámara Queen Consort Portugal (age 15); an example of Married to Two Siblings. She the daughter of Ferdinand II King Aragon (age 44) and Isabella Queen Castile (age 45). They were first cousin once removed. He a great x 3 grandson of King Edward III of England. She a great x 3 granddaughter of King Edward III of England. 
In 1500 [his father] Manuel "Fortunate" I King Portugal (age 30) and [his mother] Maria Trastámara Queen Consort Portugal (age 18) were married. She by marriage Queen Consort Portugal. She the younger sister of his first wife [his aunt] Isabella Trastámara Queen Consort Portugal; an example of Married to Two Siblings. She the daughter of Ferdinand II King Aragon (age 47) and Isabella Queen Castile (age 48). They were first cousin once removed. He a great x 3 grandson of King Edward III of England. She a great x 3 granddaughter of King Edward III of England.
On 07 Jun 1502 John III King Portugal was born to Manuel "Fortunate" I King Portugal (age 33) and Maria Trastámara Queen Consort Portugal (age 20). Coefficient of inbreeding 8.38%.
In 1517 [his mother] Maria Trastámara Queen Consort Portugal (age 35) died.
On 16 Jul 1518 [his father] Manuel "Fortunate" I King Portugal (age 49) and [his step-mother] Eleanor of Austria Queen Consort France Queen Consort Portugal (age 19) were married. She by marriage Queen Consort Portugal. The difference in their ages was 29 years. She the daughter of Philip "Handsome Fair" King Castile and Joanna "The Mad" Trastámara Queen Castile (age 39). They were first cousin twice removed. He a great x 3 grandson of King Edward III of England. She a great x 4 granddaughter of King Edward III of England.
On 13 Dec 1521 [his father] Manuel "Fortunate" I King Portugal (age 52) died. His son John III King Portugal (age 19) succeeded III King Portugal: Aviz.
On 10 Feb 1525 John III King Portugal (age 22) and Catherine of Austria Queen Consort Portugal (age 18) were married. She by marriage Queen Consort Portugal. She the daughter of Philip "Handsome Fair" King Castile and Joanna "The Mad" Trastámara Queen Castile (age 46). He the son of Manuel "Fortunate" I King Portugal and Maria Trastámara Queen Consort Portugal. They were first cousins. He a great x 4 grandson of King Edward III of England. She a great x 4 granddaughter of King Edward III of England.
On 24 Feb 1526 [his son] Afonso Aviz was born to John III King Portugal (age 23) and [his wife] Catherine of Austria Queen Consort Portugal (age 19). Their first child, he died on 12 Apr 1526. Coefficient of inbreeding 11.30%.
On 15 Oct 1527 [his daughter] Maria Aviz was born to John III King Portugal (age 25) and [his wife] Catherine of Austria Queen Consort Portugal (age 20). Coefficient of inbreeding 11.30%.
On 28 Apr 1529 [his daughter] Isabel Aviz was born to John III King Portugal (age 26) and [his wife] Catherine of Austria Queen Consort Portugal (age 22). Coefficient of inbreeding 11.30%.
On 28 Apr 1529 [his daughter] Isabel Aviz died.
On 15 Feb 1530 [his daughter] Beatrice Aviz was born to John III King Portugal (age 27) and [his wife] Catherine of Austria Queen Consort Portugal (age 23). Coefficient of inbreeding 11.30%.
On 15 Feb 1530 [his daughter] Beatrice Aviz died.
On 01 Nov 1531 [his son] Manuel Aviz was born to John III King Portugal (age 29) and [his wife] Catherine of Austria Queen Consort Portugal (age 24). Coefficient of inbreeding 11.30%.
On 25 Mar 1533 [his son] Philip Aviz was born to John III King Portugal (age 30) and [his wife] Catherine of Austria Queen Consort Portugal (age 26). Coefficient of inbreeding 11.30%.
On 06 Apr 1535 [his son] Infante Denis Aviz was born to John III King Portugal (age 32) and [his wife] Catherine of Austria Queen Consort Portugal (age 28). Coefficient of inbreeding 11.30%.
On 01 Jan 1537 [his son] Infante Denis Aviz (age 1) died.
On 14 Apr 1537 [his son] Manuel Aviz (age 5) died.
On 03 Jun 1537 [his son] John Manuel Aviz Prince Portugal was born to John III King Portugal (age 34) and [his wife] Catherine of Austria Queen Consort Portugal (age 30). Coefficient of inbreeding 11.30%.
On 09 Mar 1539 [his son] Infante Anthony Aviz was born to John III King Portugal (age 36) and [his wife] Catherine of Austria Queen Consort Portugal (age 32). Coefficient of inbreeding 11.30%.
On 29 Apr 1539 [his son] Philip Aviz (age 6) died.
On 20 Jan 1540 [his son] Infante Anthony Aviz died.
On 12 Nov 1543 [his son-in-law] Philip "The Prudent" II King Spain (age 16) and [his daughter] Maria Aviz (age 16) were married at Salamanca. She the daughter of John III King Portugal (age 41) and Catherine of Austria Queen Consort Portugal (age 36). He the son of Charles V Holy Roman Emperor (age 43) and Isabel Aviz Queen Consort Spain. They were double first cousins. He a great x 5 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward III of England.
On 12 Aug 1545 [his daughter] Maria Aviz (age 17) died from childbirth one month after giving birth to her son Carlos Habsburg Spain.
In 1552 [his son] John Manuel Aviz Prince Portugal (age 14) and [his daughter-in-law] Joanna of Austria Princess Portugal (age 16) were married. She the daughter of Charles V Holy Roman Emperor (age 51) and Isabel Aviz Queen Consort Spain. He the son of John III King Portugal (age 49) and Catherine of Austria Queen Consort Portugal (age 44). They were double first cousins. He a great x 5 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward III of England.
On 02 Jan 1554 [his son] John Manuel Aviz Prince Portugal (age 16) died.
On 11 Jun 1557 John III King Portugal (age 55) died. His grandson Sebastian King Portugal (age 3) succeeded King Portugal: Aviz. Sebastian's paternal grandmother [his wife] Catherine of Austria Queen Consort Portugal (age 50) acted as Regent during his minority being replaced by [his brother] Henrique Aviz Cardinal King Portugal (age 45) when she resigned in 1562.
Henry Machyn's Diary. 16 Aug 1557. The xvj day of August be-gane to sett up the herse for the kyng of Denmarke [Note. A mistake for the King of Portugal], a frame of iiij-sqware.
Note. Ibid. Hearse for the king of [Portugal]. Machyn here made the error of naming the the king of Denmark, instead of the king of Portugal, John III. who succeeded his father Emanuel in 1521, and died 1557. He had married Jane aunt of king Philip, and hence arose the special observance of his obsequies in this country. They are briefly noticed by Holinshed, p. 1768; but are recorded at full in the College of Arms, I. 15, f. 246. At the beginning of this paragraph for xviiij read xviij.
Henry Machyn's Diary. 19 Aug 1557. The xviiij day of August was the hers for the kyng of Denmarke fenysshed, with wax, the wyche was never sen shyche on [seen such a one] in England of that fassyon, of sqware tapurs, and xxj baners and baners rolles of all ther leneges and mareges in baner-rolles. The sam nyght was the durge, my lord tresorer cheyff morner; and after that my lord Darcy (age 60), ser Robart Uxinbryge (age 49), ser Edmond Peckam (age 62), ser [Robert] Freston (age 57), cofferer to the quen (age 41), and ser Recherd Sowthwell (age 54), ser Arthur Darcy (age 62), and mony nobull men and gentyllmen alle in blake; and my lord of London (age 57) begane the durge, with ys myter [on] alle the durge wylle; and after the durge alle the haroldes and the lordes whent to the bysshope of London('s) plasse and dronke; and iiij goodly whytt branchys, and vj dosen torchys, and the qwer hangyd with blake and armes; and vj pilers covered with velvet, and a goodly hers-cloth of tensell, the crosse of cloth of selver; and the morow masse, and a goodly sermon, and after to my lord('s) of London to dener for the kyng of Denmarke('s) obseque and fenerall, and a mageste and valans fryng of gold, and x dosen pensels, and x dosen skochyns of armes.
Henry Machyn's Diary. 23 Aug 1557. The xxiij day of August was the hers of the kyng [of Denmark] at Powlles taken downe by master Garter, and serten of the lord tressorer('s) servandes, and the waxchandlers and carpynters.
On 12 Feb 1578 [his former wife] Catherine of Austria Queen Consort Portugal (age 71) died.
Kings Wessex: Great x 14 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 18 Grand Son of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Kings Seisyllwg: Great x 20 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 18 Grand Son of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Kings England: Great x 4 Grand Son of King Edward III of England
Kings Scotland: Great x 12 Grand Son of Malcolm III King Scotland
Kings Franks: Great x 10 Grand Son of Louis VII King Franks
Kings France: Great x 6 Grand Son of Philip "The Fair" IV King France
Great x 4 Grandfather: Alfonso "Brave" IV King Portugal
3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Peter I King Portugal 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Beatrice Ivrea Queen Consort Portugal 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: King John I of Portugal 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Pedro Fernández de Castro
Great x 3 Grandmother: Inês Castro
Great x 1 Grandfather: Edward "The Philosopher" I King Portugal Great Grand Son of King Edward III of England
Great x 4 Grandfather: King Edward III of England
Son of King Edward II of England
Great x 3 Grandfather: John of Gaunt 1st Duke Lancaster Son of King Edward III of England
Great x 4 Grandmother: Philippa of Hainault Queen Consort England 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Philippa Lancaster Queen Consort Portugal
Grand Daughter of King Edward III of England
Great x 4 Grandfather: Henry of Grosmont 1st Duke Lancaster
Great Grand Son of King Henry III of England
Great x 3 Grandmother: Blanche Plantagenet Duchess Lancaster 2 x Great Grand Daughter of King Henry III of England
Great x 4 Grandmother: Isabel Beaumont Duchess Lancaster
4 x Great Grand Daughter of King Henry I "Beauclerc" England
GrandFather: Ferdinand Aviz 2nd Duke Viseu 2 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Henry "Fratricide" II King Castile 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: John I King Castile 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Juana Manuel Queen of Castile 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Ferdinand I King Aragon 6 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Peter IV King Aragon
5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Eleanor Barcelona Queen Consort Castile 6 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor Barcelona Queen Consort Aragon 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandmother: Eleanor Trastámara Queen Consort Portugal 7 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Alfonso "Avenger" XI King Castile 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Sancho Alfonso Ivrea 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor Guzman
Great x 2 Grandmother: Eleanor of Alberquerque Queen Consort Aragon 6 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Peter I King Portugal 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Beatrice Burgundy 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Inês Castro
Father: Manuel "Fortunate" I King Portugal 3 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Alfonso "Brave" IV King Portugal 3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Peter I King Portugal 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Beatrice Ivrea Queen Consort Portugal 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: King John I of Portugal 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Pedro Fernández de Castro
Great x 3 Grandmother: Inês Castro
Great x 1 Grandfather: Prince John Aviz Constable Portugal Great Grand Son of King Edward III of England
Great x 4 Grandfather: King Edward III of England Son of King Edward II of England
Great x 3 Grandfather: John of Gaunt 1st Duke Lancaster Son of King Edward III of England
Great x 4 Grandmother: Philippa of Hainault Queen Consort England 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Philippa Lancaster Queen Consort Portugal Grand Daughter of King Edward III of England
Great x 4 Grandfather: Henry of Grosmont 1st Duke Lancaster Great Grand Son of King Henry III of England
Great x 3 Grandmother: Blanche Plantagenet Duchess Lancaster 2 x Great Grand Daughter of King Henry III of England
Great x 4 Grandmother: Isabel Beaumont Duchess Lancaster 4 x Great Grand Daughter of King Henry I "Beauclerc" England
GrandMother: Beatrice Aviz Duchess Viseu 2 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Peter I King Portugal 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: King John I of Portugal 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Inês Castro
Great x 2 Grandfather: Afonso Aviz I Duke Braganza 6 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Ines Peres
Great x 1 Grandmother: Isabella of Braganza 7 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Nuno Álvares Pereira
Great x 2 Grandmother: Beatriz Pereira de Alvim
Great x 3 Grandmother: Leonor de Alvim
John III King Portugal 4 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Henry "Fratricide" II King Castile 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: John I King Castile 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Juana Manuel Queen of Castile 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Ferdinand I King Aragon 6 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Peter IV King Aragon 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Eleanor Barcelona Queen Consort Castile 6 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor Barcelona Queen Consort Aragon 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandfather: John II King Aragon 7 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Alfonso "Avenger" XI King Castile 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Sancho Alfonso Ivrea 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor Guzman
Great x 2 Grandmother: Eleanor of Alberquerque Queen Consort Aragon 6 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Peter I King Portugal 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Beatrice Burgundy 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Inês Castro
GrandFather: Ferdinand II King Aragon 8 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Fadrique Alfonso Ivrea 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Alfonso Enríquez Enríquez 6 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Fadrique Enríquez Count Melgar Count Rueda 7 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Juana Mendoza
Great x 1 Grandmother: Juana Enríquez Queen Consort Aragon 8 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Diego Fernández Lord Baena
Great x 2 Grandmother: Mariana Fernández Countess Melgar
Great x 3 Grandmother: Inés Ayala
Mother: Maria Trastámara Queen Consort Portugal 3 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Henry "Fratricide" II King Castile 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: John I King Castile 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Juana Manuel Queen of Castile 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Henry III King Castile 6 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Peter IV King Aragon 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Eleanor Barcelona Queen Consort Castile 6 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor Barcelona Queen Consort Aragon 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandfather: John II King Castile Great Grand Son of King Edward III of England
Great x 4 Grandfather: King Edward III of England Son of King Edward II of England
Great x 3 Grandfather: John of Gaunt 1st Duke Lancaster Son of King Edward III of England
Great x 4 Grandmother: Philippa of Hainault Queen Consort England 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Catherine of Lancaster Queen Consort Castile Grand Daughter of King Edward III of England
Great x 4 Grandfather: Peter "Cruel" I King Castile 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Constance of Castile Duchess of Lancaster 6 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Maria Padilla
GrandMother: Isabella Queen Castile 2 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Peter I King Portugal 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: King John I of Portugal 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Inês Castro
Great x 2 Grandfather: Prince John Aviz Constable Portugal Great Grand Son of King Edward III of England
Great x 4 Grandfather: John of Gaunt 1st Duke Lancaster Son of King Edward III of England
Great x 3 Grandmother: Philippa Lancaster Queen Consort Portugal Grand Daughter of King Edward III of England
Great x 4 Grandmother: Blanche Plantagenet Duchess Lancaster 2 x Great Grand Daughter of King Henry III of England
Great x 1 Grandmother: Isabella Aviz Queen Consort Castile 2 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: King John I of Portugal 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Afonso Aviz I Duke Braganza 6 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Ines Peres
Great x 2 Grandmother: Isabella of Braganza 7 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Nuno Álvares Pereira
Great x 3 Grandmother: Beatriz Pereira de Alvim
Great x 4 Grandmother: Leonor de Alvim