Isabel de Aragón - 1341 Parents Frederick III of Sicily Sibilla Sormella Children Giovanna di Peralta de Saluzzo del Vasto Marquesa d'Empúries Siblings Elisabeth of Sicily, Duchess of Bavaria William II of Athens Roland of Sicily Sanciolo d'Aragona Margaret of Sicily Peter II of Sicily Alfonso Fadrique d'Aragona, Count of Malta Manfred of Athens John, marquess of Randazzo Constance of Sicily, Queen of Cyprus Partners Ponzio VI di Empúries Raimondo di Saluzzo di Peralta, Conte de Cataviddotta, Baron de Peralta