Life Family Born in Toledo, Castile, Ferdinand was the third but second surviving son of King Alfonso VII of León and Castile and Berenguela of Barcelona. His paternal grandparents were Count Raymond of Burgundy and Queen Urraca of León and his maternal grandparents were Ramon Berenguer III, Count of Barcelona, and Douce I, Countess of Provence. He had seven full-siblings, of whom only three survived infancy: the later King Sancho III of Castile, Constance (wife of King Louis VII of France) and Sancha (wife of King Sancho VI of Navarre), and two half-siblings from his father's second marriage with Richeza of Poland, of whom only survive Sancha (wife of King Alfonso II of Aragon).
Life Family Born in Toledo, Castile Ferdinand was the third but second surviving son of King Alfonso VII, of León and Castile and Berenguela of Barcelona. His paternal grandparents were Count Raymond of Burgundy and Queen Urraca of León and his maternal grandparents were Ramon Berenguer III, Count of Barcelona, and Douce I, Countess of Provence. He had seven full-siblings, of whom only three survived infancy: the later King Sancho III of Castile, Constance (wife of King Louis VII of France) and Sancha (wife of King Sancho VI of Navarre), and two half-siblings from his father's second marriage with Richeza of Poland, of whom only survive Sancha (wife of King Alfonso II of Aragon).