Paternal Family Tree: Ivrea
In 1191 Sancha Ivrea Queen Consort Castile was born to Alfonso IX King Leon [aged 19] and Theresa of Portugal Queen Consort Leon [aged 15]. Coefficient of inbreeding 8.34%.
In 1191 Alfonso IX King Leon [aged 19] and Theresa of Portugal Queen Consort Leon [aged 15] were married. She by marriage Queen Consort Leon. She the daughter of [her grandfather] Sancho "Populator" I King Portugal [aged 36] and [her grandmother] Dulce Barcelona Queen Consort Portugal. He the son of Ferdinand II King Leon and Urraca Burgundy Queen Consort Leon [aged 43]. They were first cousins.
In 1197 Alfonso IX King Leon [aged 25] and Berengaria Ivrea I Queen Castile [aged 18] were married. She by marriage Queen Consort Leon. She the daughter of Alfonso VIII King Castile [aged 41] and Eleanor Plantagenet Queen Consort Castile [aged 35]. He the son of [her grandfather] Ferdinand II King Leon and [her grandmother] Urraca Burgundy Queen Consort Leon [aged 49]. They were first cousin once removed. She a granddaughter of King Henry "Curtmantle" II of England.
On 5th October 1214 Alfonso VIII King Castile [aged 58] died. He was buried at Abbey of Santa Maria la Real de Huelgas [Map]. His son Henry [aged 10] succeeded I King Castile.
In 1215 Henry I King Castile [aged 10] and Mafalda Burgundy Queen Consort Castile [aged 19] were married. She by marriage Queen Consort Castile. She the daughter of [her grandfather] Sancho "Populator" I King Portugal and [her grandmother] Dulce Barcelona Queen Consort Portugal. He the son of Alfonso VIII King Castile and Eleanor Plantagenet Queen Consort Castile. They were second cousin once removed. He a grandson of King Henry "Curtmantle" II of England.
In 1216 Henry I King Castile [aged 11] and Sancha Ivrea Queen Consort Castile [aged 25] were married. She by marriage Queen Consort Castile. She the daughter of Alfonso IX King Leon [aged 44] and Theresa of Portugal Queen Consort Leon [aged 40]. He the son of Alfonso VIII King Castile and Eleanor Plantagenet Queen Consort Castile. They were second cousins. He a grandson of King Henry "Curtmantle" II of England.
On 6th June 1217 Henry I King Castile [aged 13] was killed by a tile falling of a roof. He was buried at Abbey of Santa Maria la Real de Huelgas [Map]. His sister Berengaria [aged 38] succeeded I Queen Castile.
On 31st August 1217 Berengaria Ivrea I Queen Castile [aged 38] abdicated I King Castile. Her son Ferdinand [aged 18] succeeded III King Castile.
On 30th November 1219 Ferdinand III King Castile III King Leon [aged 20] and Elisabeth Hohenstaufen Queen Consort Castile Queen Consort Leon [aged 14] were married in Burgos [Map]. She by marriage Queen Consort Castile, Queen Consort Leon. She the daughter of Philip King Germany. He the son of [her father] Alfonso IX King Leon [aged 48] and [her step-mother] Berengaria Ivrea I Queen Castile [aged 40]. They were fourth cousins. He a great grandson of King Henry "Curtmantle" II of England.
On 24th September 1230 Alfonso IX King Leon [aged 59] died. His son Ferdinand [aged 31] succeeded III King Leon.
In October 1237 Ferdinand III King Castile III King Leon [aged 38] and Joan Dammartin Queen Consort Castile and Leon [aged 17] were married in Burgos [Map]. She by marriage Queen Consort Castile, Queen Consort Leon. The difference in their ages was 21 years. She the daughter of Simon Dammartin [aged 57] and Marie Montgomery Countess Ponthieu [aged 38]. He the son of [her father] Alfonso IX King Leon and [her step-mother] Berengaria Ivrea I Queen Castile [aged 58]. They were second cousin once removed. He a great grandson of King Henry "Curtmantle" II of England.
Before 1243 Sancha Ivrea Queen Consort Castile [aged 51] died.
Kings France: Great x 6 Grand Daughter of Hugh I King of the Franks
Kings Duke Aquitaine: Great x 10 Grand Daughter of Ranulf I Duke Aquitaine
Kings Spain: Great Grand Daughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Reginald Ivrea I Count Burgundy 
7 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandfather: William I Count Burgundy 8 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandmother: Alice Normandy Countess Burgundy 
8 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 2 Grandfather: Raymond Ivrea 9 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandmother: Ettiennette Countess Burgundy
Great x 1 Grandfather: Alfonso VII King Castile VII King Leon -2 x Great Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Ferdinand "Great" I King Leon
Great x 3 Grandfather: Alfonso "Brave" VI King Leon VI King Castile
Great x 4 Grandmother: Sancha Astur Leonese
Great x 2 Grandmother: Urracca "Reckless" Jiménez Queen Consort Aragon and Pamplona 2 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandfather: Robert I Duke Burgundy 
Grandson of Hugh I King of the Franks
Great x 3 Grandmother: Constance Burgundy Queen Consort Castile and Leon Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandmother: Helie Samur Duchess Burgundy
Grandfather: Ferdinand II King Leon son of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Ramon Berenguer "Old" Barcelona I Count Barcelona
Great x 3 Grandfather: Ramon Berenguer "Towhead" Barcelona II Count Barcelona
Great x 2 Grandfather: Raymond III Count Barcelona
Great x 1 Grandmother: Berenguela Barcelona Queen Consort Castile and Leon 11 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandfather: Gilbert Gevaudan
Great x 2 Grandmother: Douce Gevaudan Countess Barcelona 10 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandfather: Geoffrey Arles 1st Count Arles 1st Count Provence 8 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandmother: Gerberga Arles 9 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandmother: Etienette Countess Provence and Arles
Father: Alfonso IX King Leon Grandson of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Robert I Duke Burgundy Grandson of Hugh I King of the Franks
Great x 3 Grandfather: Henry "Gallant" Burgundy Great Grandson of Hugh I King of the Franks
Great x 4 Grandmother: Helie Samur Duchess Burgundy
Great x 2 Grandfather: Henry Burgundy Count Portugal 2 x Great Grandson of Hugh I King of the Franks
Great x 1 Grandfather: Afonso "Conqueror Founder Great" I King Portugal 
3 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandfather: Ferdinand "Great" I King Leon
Great x 3 Grandfather: Alfonso "Brave" VI King Leon VI King Castile
Great x 4 Grandmother: Sancha Astur Leonese
Great x 2 Grandmother: Teresa Alfónsez Jiménez
Great x 3 Grandmother: Jimena Munoz
Grandmother: Urraca Burgundy Queen Consort Leon 4 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandfather: Amadeus Savoy II Count Savoy
Great x 3 Grandfather: Humbert "Fat" Savoy II Count Savoy
Great x 2 Grandfather: Amadeus Savoy III Count Savoy 10 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandfather: William I Count Burgundy 8 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandmother: Gisela Ivrea Countess Savoy 9 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandmother: Ettiennette Countess Burgundy
Great x 1 Grandmother: Malfada Savoy Queen Consort Portugal 11 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 2 Grandmother: Mahaut Albon Countess Savoy
Sancha Ivrea Queen Consort Castile Great Granddaughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Robert I Duke Burgundy Grandson of Hugh I King of the Franks
Great x 3 Grandfather: Henry "Gallant" Burgundy Great Grandson of Hugh I King of the Franks
Great x 4 Grandmother: Helie Samur Duchess Burgundy
Great x 2 Grandfather: Henry Burgundy Count Portugal 2 x Great Grandson of Hugh I King of the Franks
Great x 1 Grandfather: Afonso "Conqueror Founder Great" I King Portugal 3 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandfather: Ferdinand "Great" I King Leon
Great x 3 Grandfather: Alfonso "Brave" VI King Leon VI King Castile
Great x 4 Grandmother: Sancha Astur Leonese
Great x 2 Grandmother: Teresa Alfónsez Jiménez
Great x 3 Grandmother: Jimena Munoz
Grandfather: Sancho "Populator" I King Portugal 4 x Great Grandson of Hugh I King of the Franks
Great x 4 Grandfather: Amadeus Savoy II Count Savoy
Great x 3 Grandfather: Humbert "Fat" Savoy II Count Savoy
Great x 2 Grandfather: Amadeus Savoy III Count Savoy 10 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandfather: William I Count Burgundy 8 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandmother: Gisela Ivrea Countess Savoy 9 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandmother: Ettiennette Countess Burgundy
Great x 1 Grandmother: Malfada Savoy Queen Consort Portugal 11 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 2 Grandmother: Mahaut Albon Countess Savoy
Mother: Theresa of Portugal Queen Consort Leon 5 x Great Granddaughter of Hugh I King of the Franks
Great x 4 Grandfather: Ramon Berenguer "Old" Barcelona I Count Barcelona
Great x 3 Grandfather: Ramon Berenguer "Towhead" Barcelona II Count Barcelona
Great x 2 Grandfather: Raymond III Count Barcelona
Great x 1 Grandfather: Raymond V Count Barcelona 
11 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandfather: Gilbert Gevaudan
Great x 2 Grandmother: Douce Gevaudan Countess Barcelona 10 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandfather: Geoffrey Arles 1st Count Arles 1st Count Provence 8 x Great Grandson of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 3 Grandmother: Gerberga Arles 9 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Great x 4 Grandmother: Etienette Countess Provence and Arles
Grandmother: Dulce Barcelona Queen Consort Portugal 12 x Great Granddaughter of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor