Castilian Civil War
Diego García de Padilla (died 1368) was a Spanish nobleman who became Master of the Order of Calatrava. His sister María de Padilla was the mistress of King Peter of Castile, the Cruel. Padilla fought for Peter of Castile in the wars against Aragon and Granada. In the Castilian Civil War (1366–69) he went over to the side of Henry of Trastámara.