Before 17 Sep 1177 [her father] Alfonso VIII King Castile (age 21) and [her mother] Eleanor Plantagenet Queen Consort Castile (age 15) were married. She by marriage Queen Consort Castile. She the daughter of [her grandfather] King Henry "Curtmantle" II of England (age 44) and [her grandmother] Eleanor of Aquitaine Queen Consort Franks and England (age 55). He the son of [her grandfather] Sancho III King Castile and [her grandmother] Blanche Ramirez Queen Consort Castile. They were half fourth cousins.

In 1179 Berengaria Ivrea I Queen Castile was born to Alfonso VIII King Castile (age 23) and Eleanor Plantagenet Queen Consort Castile (age 17). She a granddaughter of King Henry "Curtmantle" II of England.

In 1191 [her future husband] Alfonso IX King Leon (age 19) and Theresa of Portugal Queen Consort Leon (age 15) were married. She by marriage Queen Consort Leon. She the daughter of Sancho "Populator" I King Portugal (age 36) and Dulce Barcelona Queen Consort Portugal. He the son of Ferdinand II King Leon and [her future mother-in-law] Urraca Burgundy Queen Consort Leon (age 43). They were first cousins.

In 1197 Alfonso IX King Leon (age 25) and Berengaria Ivrea I Queen Castile (age 18) were married. She by marriage Queen Consort Leon. She the daughter of Alfonso VIII King Castile (age 41) and Eleanor Plantagenet Queen Consort Castile (age 35). He the son of Ferdinand II King Leon and Urraca Burgundy Queen Consort Leon (age 49). They were first cousin once removed. She a granddaughter of King Henry "Curtmantle" II of England.

In 1199 [her son] Ferdinand III King Castile III King Leon was born to [her husband] Alfonso IX King Leon (age 27) and Berengaria Ivrea I Queen Castile (age 20). He a great grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 3.56%.

In 1204 [her daughter] Beregaria Ivrea was born to [her husband] Alfonso IX King Leon (age 32) and Berengaria Ivrea I Queen Castile (age 25). She a great granddaughter of King Henry "Curtmantle" II of England. Coefficient of inbreeding 3.56%.

In 1214 [her step-son] Ferdinand Ivrea (age 22) died.

On 05 Oct 1214 [her father] Alfonso VIII King Castile (age 58) died. He was buried at Abbey of Santa Maria la Real de Huelgas [Map]. His son [her brother] Henry I King Castile (age 10) succeeded I King Castile.

On 31 Oct 1214 [her mother] Eleanor Plantagenet Queen Consort Castile (age 53) died at Burgos [Map]. She was buried at Abbey of Santa Maria la Real de Huelgas [Map].

In 1216 [her brother] Henry I King Castile (age 11) and [her step-daughter] Sancha Ivrea Queen Consort Castile (age 25) were married. She by marriage Queen Consort Castile. She the daughter of [her husband] Alfonso IX King Leon (age 44) and Theresa of Portugal Queen Consort Leon (age 40). He the son of [her father] Alfonso VIII King Castile and [her mother] Eleanor Plantagenet Queen Consort Castile. They were second cousins. He a grandson of King Henry "Curtmantle" II of England.

On 06 Jun 1217 [her brother] Henry I King Castile (age 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 Ivrea I Queen Castile (age 38) succeeded I Queen Castile.

On 31 Aug 1217 Berengaria Ivrea I Queen Castile (age 38) Abdicated I King Castile. On 31 Aug 1217 Her son [her son] Ferdinand III King Castile III King Leon (age 18) succeeded III King Castile.

On 30 Nov 1219 [her son] Ferdinand III King Castile III King Leon (age 20) and [her daughter-in-law] Elisabeth Hohenstaufen Queen Consort Castile Queen Consort Leon (age 14) were married in Burgos [Map]. She by marriage Queen Consort Castile, Queen Consort Leon. He the son of [her husband] Alfonso IX King Leon (age 48) and Berengaria Ivrea I Queen Castile (age 40). They were fourth cousins. He a great grandson of King Henry "Curtmantle" II of England.

On 24 Sep 1230 [her husband] Alfonso IX King Leon (age 59) died. His son [her son] Ferdinand III King Castile III King Leon (age 31) succeeded III King Leon.

In Oct 1237 [her son] Ferdinand III King Castile III King Leon (age 38) and [her daughter-in-law] Joan Dammartin Queen Consort Castile and Leon (age 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 (age 57) and Marie Montgomery Countess Ponthieu (age 38). He the son of [her former husband] Alfonso IX King Leon and Berengaria Ivrea I Queen Castile (age 58). They were second cousin once removed. He a great grandson of King Henry "Curtmantle" II of England.

On 08 Nov 1246 Berengaria Ivrea I Queen Castile (age 67) died.