Background
Stephanie"s date of birth must have occurred between 1139, when the relationship between Alfonso and her mother began, and 1148, the year in which Alfonso confers privileges in favor of Urraca and his daughter.
Stephanie"s date of birth must have occurred between 1139, when the relationship between Alfonso and her mother began, and 1148, the year in which Alfonso confers privileges in favor of Urraca and his daughter.
Stephanie had many half-siblings, her older illegitimate sister was Urraca, who became Queen consort of Navarre. Her legitimate half-siblings included: Sancho III of Castile, Ferdinand II of León, Constance, Queen of France, Sancha, Queen of Navarre and Sancha, Queen of Aragon When Fernando first heard about his wife"s affair with an unknown man, he watched the lovers, he then later stabbed the man to death. When Fernando realized what the situation had turned to, he begged for forgiveness from his brother-in-law the King.
The King did not punish his brother-in-law for the murder.
Stephanie was buried in the basilica of San Isidoro de León. She left two young children.
Although her husband was a native of Castile, thus being dubbed "the Castilian", while in the kingdom of Castile, he was nicknamed "the Lion", he left the kingdom of Castile with his brothers, and achieved the rank of Major Butler from Stephanie"s half-brother Ferdinand II of Leon, who granted him the hand of his sister.