History - OnThisDay - 14 April 1204 - Birth of King Henry I of Castile, who died at the age of 13!
On 14 April 1204, Henry I (Spanish: Enrique) of Castile was born in Valladolid, nowadays a part of the Kingdom of Spain. Family Henry was born as a son of King Alfonso VIII of Castile and Eleanor of England, Queen of Castile. His paternal grandparents were King Sancho III of Castile and Blance of Navarre. His maternal grandparents were King Henry II of England and Eleanor, Duchess of Aquitaine . He had siblings inter alia: - Berengaria, Queen of Castile; - Urraca, Queen of Portugal, was married to King Alfonso II of Portugal; - Blanche, Queen of France, was married to King Louis VIII of France; - Eleanor, Queen of Aragon, was married to King James I of Aragon. Duty 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 Castle, wife of King Alfonso IX of Leon. In 1215, at the age of 11, Hen