Mustafa Çelebi, also called Mustafa the Impostor, was an Ottoman prince who struggled to gain the throne of the Ottoman Empire in the early 15th century. He was the Sultan of Rumelia twice during January 1419 – 1420 and January 1421 – May 1422. Wikipedia
Born: 1393
Died: May 1422 (age 29 years)
Parents: Bayezid I and Devletşah Hatun
Great-grandparents: Orhan, Nilüfer Hatun, and Mehmed of Germiyan
Nephews: Murad II, Küçük Mustafa, Yusuf Çelebi, and more
Grandparents: Murad I, Gülçiçek Hatun, and Suleiman of Germiyan
Siblings: Mehmed I and İsa Çelebi