Biography of John Devereux 1st Baron Devereux 1337-1393
Paternal Family Tree: Devereux
Around 1337 John Devereux 1st Baron Devereux was born to John Devereux (age 35) and Margaret Barre.
After 26 Aug 1346 [his father] John Devereux (age 44) died.
Before 1361 Henry Beaumont 3rd Baron Beaumont (age 20) and [his future wife] Margaret Vere Baroness Devereux and Beaumont were married. She by marriage Baroness Beaumont. She the daughter of John de Vere 7th Earl of Oxford and Maud Badlesmere Countess of Oxford (age 52). He the son of John Beaumont 2nd Baron Beaumont and Eleanor Plantagenet Countess Arundel and Surrey (age 42). He a great x 2 grandson of King Henry III of England. She a great x 5 granddaughter of King Henry "Curtmantle" II of England. 
On 03 Apr 1367 the forces of Peter "Cruel" I King Castile (age 32) commanded by Edward "Black Prince" (age 36) defeated the army of Henry "Fratricide" II King Castile (age 33) at the Battle of Nájera at Nájera. The English forces included John of Gaunt 1st Duke Lancaster (age 27), William Scrope, Peter Courtenay (age 21), John Devereux 1st Baron Devereux (age 30), John Savile of Shelley and Golcar (age 42), Bernard Brocas (age 37) and Thomas Banastre (age 33).
The forces of Henry "Fratricide" II King Castile (age 33) included Bertrand Geusclin (age 47). The battle achieved little since Bertrand Geusclin (age 47) escaped.
John Ferrers 4th Baron Ferrers of Chartley (age 36) was killed. His son Robert Ferrers 5th Baron Ferrers of Chartley (age 9) succeeded 5th Baron Ferrers of Chartley. Margaret Despencer Baroness Ferrers of Chartley by marriage Baroness Ferrers of Chartley.
Edward "Black Prince" (age 36) thereafter returned home, taking Peter's daughters Constance (age 13) and Isabella (age 12) as hostages to ensure Peter would pay the money owed to Edward. Constance (age 13) married John of Gaunt 1st Duke Lancaster (age 27), Isabella (age 12) married Edmund of Langley 1st Duke York (age 25).
On 21 Mar 1373 John Devereux 1st Baron Devereux (age 36) was captured during the Battle of Chiset at Chizé at which the English were defeated by the French forces commanded by Bertrand Geusclin (age 53). The battle brought an end to English control in Poitou.
In 1376 John Devereux 1st Baron Devereux (age 39) was appointed High Sheriff of Hertfordshire.
In 1377 [his son] John Devereux 2nd Baron Devereux and [his daughter-in-law] Phillipe Bryan Baroness Scrope Masham Baroness Devereux were married. She by marriage Baroness Devereux. They were fourth cousins. He a great x 5 grandson of King John "Lackland" of England.
In 1377 John Devereux 1st Baron Devereux (age 40) and Margaret Vere Baroness Devereux and Beaumont were married. She the daughter of John de Vere 7th Earl of Oxford and Maud Badlesmere Countess of Oxford. He a great x 4 grandson of King John "Lackland" of England. She a great x 5 granddaughter of King Henry "Curtmantle" II of England.
Around 1378 [his son] John Devereux 2nd Baron Devereux was born to John Devereux 1st Baron Devereux (age 41) and [his wife] Margaret Vere Baroness Devereux and Beaumont.
On 01 Mar 1378 John Devereux 1st Baron Devereux (age 41) was appointed Constable of Leeds Castle.
Around 1379 [his daughter] Joan Devereux 3rd Baroness Devereux Baroness Burnell was born to John Devereux 1st Baron Devereux (age 42) and [his wife] Margaret Vere Baroness Devereux and Beaumont.
After 1384 [his step-daughter] Eleanor Beaumont (age 21) died.
On 28 Sep 1384 John Devereux 1st Baron Devereux (age 47) was created 1st Baron Devereux. [his wife] Margaret Vere Baroness Devereux and Beaumont by marriage Baroness Devereux.
Calendars. 03 Jan 1388. Appointment, during pleasure, of John Devereux (age 51), knight, to be constable of Dover castle and warden of the Cinque Ports, receiving therefor for the maintenance of himself and the chaplains, servants, watch- men and one carpenter abiding therein, £300. a year, viz. from, wards belonging to the castle £146., from the issues of the customs in the port of Sandwich 100 marks and the residue at the Exchequer, without rendering account, as Simon de Bureley (age 48), knight, late constable and warden, saving to the king chattels of felons and fugitives, fines, ransoms, amercements, etc. from the said ports belonging to the king, for which he is to render account at the Exchequer; provided that he stay in person upon the custody as is reasonably needful and as necessity demands. By K. & C. Mandate in pursuance to the said Simon to deliver the castle to him. Mandate de intendendo in pursuance to the barons, bailiffs, good men and whole commonalty of the liberty of the Cinque Ports.
On 12 Mar 1388 John Devereux 1st Baron Devereux (age 51) was appointed Constable of Dover Castle.
Calendars. 12 Mar 1388. Grant, for life, to John Devereux (age 51), one of the king's bannerets, of the offices of constable of Dover castle and warden of the Cinque Ports, as held by Simon de Burleye (age 48). By p.s. Vacated because otherwise below.
In 1389 [his step-son] John Beaumont 4th Baron Beaumont (age 28) and Katherine Everingham Baroness Beaumont were married. She by marriage Baroness Beaumont. He a great x 3 grandson of King Henry III of England.
In 1389 John Devereux 1st Baron Devereux (age 52) was appointed 78th Knight of the Garter by King Richard II of England (age 21).
On 22 Feb 1393 John Devereux 1st Baron Devereux (age 56) died. He was buried at Greyfriars Church Farringdon Within [Map]. His son [his son] John Devereux 2nd Baron Devereux (age 15) succeeded 2nd Baron Devereux.
On 16 Jun 1398 [his former wife] Margaret Vere Baroness Devereux and Beaumont died.
[his father] John Devereux and [his mother] Margaret Barre were married. He a great x 3 grandson of King John "Lackland" of England.
Kings Wessex: Great x 10 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 5 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 11 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 6 Grand Son of Maredudd ap Bleddyn King Powys
Kings England: Great x 4 Grand Son of King John "Lackland" of England
Kings Scotland: Great x 8 Grand Son of Malcolm III King Scotland
Kings Franks: Great x 16 Grand Son of Louis "Pious" King Aquitaine I King Franks
Kings France: Great x 9 Grand Son of Robert "Pious" II King France
Great x 4 Grandfather: Walter Devereux
Great x 3 Grandfather: Stephen Devereux
Great x 4 Grandmother: Cecilia Longchamp
Great x 2 Grandfather: William Devereux
Great x 4 Grandfather: William Cantilupe Baron
Great x 3 Grandmother: Isabel Cantilupe
Great x 1 Grandfather: William Devereux 1st Baron Devereux Lyonshall
Great x 4 Grandfather: Hugh Bigod 1st Earl Norfolk
Great x 3 Grandfather: Roger Bigod 2nd Earl Norfolk
Great x 4 Grandmother: Juliana de Vere
Great x 2 Grandmother: Margery Bigod
Great x 4 Grandfather: Ralph Tosny
Great x 3 Grandmother: Ida Tosny Countess Norfolk
Great x 4 Grandmother: Margaret Beaumont
GrandFather: Walter Devereux
Great x 2 Grandfather: Pierre Grandison
Great x 1 Grandmother: Alice Grandison
Father: John Devereux 3 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: William de Braose 4th Baron Bramber
Great x 3 Grandfather: William de Braose
Great x 4 Grandmother: Maud "Lady of Hay" St Valery Baroness Bramber
Great x 2 Grandfather: John "Tadody aka Fatherless" Braose 3 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Richard Clare 3rd Earl Hertford
Great x 3 Grandmother: Maud de Clare 2 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandmother: Amice Fitzrobert Countess Hertford
Great Grand Daughter of King Henry I "Beauclerc" England
Great x 1 Grandfather: Richard de de Braose Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: Iorwerth "Drwyndwn aka Flat Nosed" Aberffraw
Great x 3 Grandfather: Llewellyn "The Great" Aberffraw
Great x 4 Grandmother: Marared ferch Madog Mathrafal
Great x 2 Grandmother: Margred verch Llewellyn Aberffraw Baroness Clifford Grand Daughter of King John "Lackland" of England
Great x 4 Grandfather: King John "Lackland" of England Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Joan Plantagenet Daughter of King John "Lackland" of England
Great x 4 Grandmother: Adela Plantagenet
GrandMother: Margery de Braose 2 x Great Grand Daughter of King John "Lackland" of England
Great x 2 Grandfather: William Le Rus
Great x 1 Grandmother: Alice Le Rus
John Devereux 1st Baron Devereux 4 x Great Grand Son of King John "Lackland" of England
Mother: Margaret Barre
