Yakup Bey Muzaka

Yakup Bey (Jakup Beu; 1437 – 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.