Gandia was very active in the sugar industry. Hugo of Cardona possessed the monopoly to exploit sugar in Gandia. He sold the business during the second half of the 15th century to the stockists of the
Magna Societas Alemannorum of
Ravensburg. From his mother he inherited, Calasanz and Sanui in
Ribagorza, and
Guadalest and
Confrides in the
Kingdom of Valencia. He received the barony of Guadalest in the
inheritance of his mother. In 1424 he joined the king
Alfonso V of Aragon in the
Kingdom of Naples. He established himself in
Valencia, where he litigated with his son Juan. In 1427 Hugo de Cardona married Blanca of Navarre, lady of Caparrosso,
Aézcoa, Carazar and
Caseda, daughter of Juana of Navarra who was a natural daughter of King
Charles II of Navarre. With this wife he had four children: • Juan of Cardona and of Navarra baron of Guadalest and High Steward of King
Charles III of Navarre. • Beatriz of Cardona. • Onofre of Cardona, baron of Guadalest, married Beatriu Bou, of the family Bou, gentlemen of
Callosa and
Tàrbena. == References ==