Eleanor of England, Queen of Castile
Eleanor of England (c.1161 – 31 October 1214), was Queen of Castile and Toledo as wife of Alfonso VIII of Castile.
She was the sixth child and second daughter of Henry II, King of England, and Eleanor of Aquitaine.
Theodred II (Bishop of Elmham)
Theodred II was a medieval Bishop of Elmham.
The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997.
Henry I of Castile
Henry I of Castile (14 April 1204 – 6 June 1217) was king of Castile.
He was the son of Alfonso VIII of Castile and Eleanor of England, Queen of Castile (daughter of Henry II of England and Eleanor of Aquitaine).
He was the brother of Berenguela and Mafalda of Castile.
In 1211 Henry became heir to the throne when his older brother Ferdinand suddenly died.
When his father died in 1214 Henry was just 10 years old
so the regency was assumed by Henry's older sister Berengaria of Castile, wife of Alfonso IX of Leon.
In 1215 Henry married Mafalda of Portugal, daughter of Sancho I of Portugal.
As he was very young, the marriage was not consummated, and it was dissolved in 1216 by Pope Innocent III on grounds of consanguinity.
In the same year, Henry became betrothed to his second cousin Sancha, heiress of León.
Henry died in Palencia in 1217 at the age of 13, killed by a tile coming off a roof.
His sister Berengaria succeeded him, before renouncing the throne in favour of her son Ferdinand III.
His body was interred at Las Huelgas monastery in Burgos.
Henry of Castile the Senator
Henry of Castile( March 1230 – 8 August 1303), called the Senator(" el Senador"), was a Castilian" infante", the fourth son of Ferdinand III of Castile by his first wife, Beatrice of Swabia.
Urraca of Covarrubias
Urraca of Castile( died after January 1038) was co-regent of Castile during the minority of her nephew, García Sánchez of Castile, in 1017- 28.
Eleanor of Castile, Queen of Navarre
Eleanor of Castile( after 1363 – 27 February 1416) was an infanta of Castile and the Queen consort of Navarre.
She was the daughter of King Henry II of Castile and his wife, Juana Manuel of Castile, from a cadet branch of the Castilian royal house.
Eleanor was a member of the House of Trastámara.
John I of Castile
John I( 24 August 1358 – 9 October 1390) was king of the Crown of Castile from 1379 until 1390.
He was the son of Henry II and of his wife Juana Manuel of Castile.
He was the last monarch of Castile to receive a formal coronation.
James of Castile, Lord of Cameros
James of Castile( 11 July 1268 – 9 August 1284), was an infante of Castile and Lord of Cameros.
He was the youngest son of Alfonso X of Castile and Violant of Aragon.
Eleanor of Castile (died 1244)
Eleanor of Castile( 1200 – 1244) was a daughter of Alfonso VIII of Castile and Eleanor of England.
She was Queen consort of Aragon by her arranged marriage to James I of Aragon.
Her mother was a daughter of Henry II of England and Eleanor of Aquitaine.
Eleanor's sister Berengaria became Queen of Castile since their brother Henry I of Castile died with no issue and because Berengaria was the eldest of the daughters.
Another sister, Blanche became Queen of France by her marriage to Louis VIII of France.
Maria of Bulgaria, Latin Empress
Maria of Bulgaria was the second Empress consort of Henry of Flanders, Latin Emperor of Constantinople.

Question: What is the date of death of Henry I Of Castile's mother?
Answer: 31 October 1214