Blanche of Castile (1319–75)

Blanche of Castile
Lady of the Monastery of Santa María la Real de las Huelgas
Born	August 1319 Alcocer
Died	1375 Las Huelgas
Burial	Las Huelgas
House	House of Burgundy
Father	Infante Peter of Castile, Lord of Los Cameros
Mother	Infanta Maria of Aragon
Religion	Roman Catholicism

Blanche of Castile (August 1319 – 1375) was by birth a member of the Castilian House of Burgundy. She was the only child of Infante Peter of Castile, Lord of Los Cameros (son of King Sancho IV of Castile) and Infanta Maria of Aragon (daughter of King James II of Aragon).

Blanche was born in the city of Alcocer, Guadalajara in August 1319, two months after the death of her father in the Disaster of the Vega de Granada (25 June 1319). Her parents had married in December 1311 in the city of Calatayud. Her father, Infante Peter, was Lord of Los Cameros, Almazán, Berlanga de Duero, Monteagudo and Cifuentes and Mayordomo mayor of his brother, King Ferdinand IV of Castile; after the latter's death (which occurred in 1312) he was appointed guardian of his nephew Alfonso XI of Castile and joint Regent of the Kingdom together with the infant King's grandmother (and Peter's mother), Maria de Molina and Infante John of Castile, Lord of Valencia de Campos (son of King Alfonso X of Castile), who was also killed in la Vega de Granada with Peter.

After the death of Infante Peter of Castile, Garci Lasso de la Vega (who later became a confidant of King Alfonso XI), wrote to King James II of Aragon that his son-in-law promised him that his unborn child would be raised by him as his ayo. King James II responded to Garci Lasso in a letter dated 7 August 1319 that he approved the late Infante's wish and also recommended him to continue to be a loyal servant for his daughter, the Infanta Maria.

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