Sancho II of Castile and León

Sancho II the Strong (1036/1038–1072), born at Zamora, was the eldest son of Ferdinand the Great and Sancha of León. On Ferdinand's death in 1065 Castile passed to Sancho, León to Alfonso and Galicia to García; Sancho was also assigned the tribute of the taifa of Zaragoza.

In 1068 he won the War of the Three Sanchos against Navarre and Aragon, gaining several border territories, then defeated Alfonso at Llantada. With his alférez El Cid he beat Alfonso again at Golpejera in January 1072 and united the three kingdoms.

He took his sister Elvira's city of Toro, but while besieging Urraca at Zamora he was murdered by Vellido Adolfo, and Alfonso recovered the throne.