Father: King Fernando IV of Castile-Leon Born: December 6, 1285 in Seville Married: 1302 in Valladolid Died: September 7, 1312 in Jaen
Mother: Princess Constanza of Portugal Born: January 3, 1290 Died: November 18, 1313 in Sahagun
Children: 1. Princess Leonor of Castile (b.1307) 2. Princess Constanza of Castile (b.1309) 3. King Alfonso XI of Castile-Leon (b.8/13/1311)
