Yolande of Aragon, Duchess of Calabria Duchess of Calabria (1273–1302) Parents Constance of Sicily Peter III of Aragon Children Charles, Duke of Calabria Siblings Pietro d'Aragona Jaume Pere d'Aragó i Nicolau James II of Aragon Elizabeth of Aragon Frederick III of Sicily Alfonso III of Aragon Teresa de Aragón Sanç d'Aragó Partners Robert, King of Naples