Ferdinand II, was a member of the Castilian cadet branch of the House of Ivrea and King of León and Galicia from 1157 until his death.

The Castilian House of Ivrea, also known as the House of Burgundy, is a cadet branch of the House of Ivrea descended from Raymond of Burgundy. Raymond married Urraca, the eldest legitimate daughter of Alfonso VI of León and Castile of the House of Jiménez. Two years after Raymond's death, Urraca succeeded her father and became queen of Castile and León; Urraca's and Raymond's offspring in the legitimate line ruled the kingdom from 1126 until the death of Peter of Castile in 1369, while their descendants in an illegitimate line, the House of Trastámara, would rule Castile and Aragón into the 16th century.