Yakup Bey Muzaka

Yakup Bey
Born	(now Albania)
Died	September 1442 Ialomița River (now Romania)
Allegiance	(Ottoman Empire)
Years of service	fl. 1437–42
Rank	sanjak-bey
Battles/wars	Battle at the Ialomița River
Relations	Teodor III Muzaka (father)

Yakup Bey (Albanian: Jakup Beu; fl. 1437–d. September 1442) was the sanjak-bey of Albania in 1437 (during the revolt staged by his father, Teodor III Muzaka), replaced by Hadım Şehabeddin (sanjak-bey until 1439), then served again in 1441–42, until September 1442 when he was killed in action along with several other sanjak-beys under the command of Hadım Şehabeddin (since 1439 the beylerbey of the Rumelia Eyalet) at the battle near the Ialomița River against Christian forces under Janos Hunyadi.

...
Wikipedia