Sibilla di Peralta
Sibilla di Peralta (died 1321) was the daughter of Guillem de Peralta. In 1292 she married Filippo di Saluzzo, called del Vasto, Marquis Thomas I of Saluzzo's son; her children were Raimondo Peralta, first count of Caltabellotta, and Costanza, wife of Peter III of Arborea.