Cem Sultan or Sultan Cem or Şehzade Cem, was a claimant to the Ottoman throne in the 15th century.
Cem was the third son of Sultan Mehmed II and younger half-brother of Sultan Bayezid II, and thus a half-uncle of Sultan Selim I of Ottoman Empire. Wikipedia
Born: December 22, 1459, Edirne, Türkiye
Died: February 25, 1495 (age 35 years), Naples, Italy
Children: Şehzade Murad, Pyer Məhəmməd Sayd, Şehzade Oğuz Han, and more
Parents: Mehmed II and Çiçek Hatun
Siblings: Gevherhan and Sultan II. Bayezid
Grandchild: Oşin Pyer Sayd