He married Constance Princess of Sicily . Constance Princess of Sicily was born at Sicily Abt 1250 daughter of Manfredo, King of Sicily and Beatrice Princess of Savoy .
They were the parents of 4
children:
Isabella Pedra Princess Aragon
born 11 Jan 1271.
Alfonso III King Aragon
born 1276.
Jaime II King Aragon
born Abt 1285.
Fredrico III King Sicily
born 1287.
Pedro III Aragon died 1285 .
Constance Princess of Sicily died 1302 .