Before she was married to her cousin Ferdinand I. or Ferrante, she was engaged to Alfonso († 1468), the younger brother of her sister-in-law, the Spanish Queen Isabella the Catholic († 1504).
She had two sisters, Leonora and Marina (both died before 1468), and one brother, the Spanish King Ferdinand II. of Aragon († 1516).
Die Sforza III: Isabella von Aragon und ihr Hofmaler Leonardo da Vinci
488 Seiten, 322 Abbildungen und Stammtafeln, €49.90 (Format 21 x 27 cm)