Who married Stephanie Alfonso Of Castile?

Fernando Rodríguez de Castro (1125–1185) was a Castilian nobleman, statesman and military leader who made his career in León. He was the leader of the House of Castro during the civil wars that followed the death of Sancho III of Castile and the succession of the infant Alfonso VIII. He was nicknamed el Castellano ("the Castilian") in León and el Leonés ("the Leonese") in Castile.