Uglješa Mrnjavčević

Jovan Uglješa Mrnjavčević (Serbian Cyrillic: Јован Угљеша Мрњавчевић; fl.

[1] Uglješa was the son of Mrnjava, a treasurer of Helen, the queen consort of Stephen Uroš I of Serbia.

[2] Uglješa married Jelena (later nun Jefimija), daughter of Vojihna, the Caesar of Drama.

His domain was situated along the lower course of the Struma with Serres as seat, eventually replacing Helena in its possession.

[6] Their troops were smashed by those of Ottoman commanders Lala Shahin Pasha and Gazi Evrenos at the Battle of Maritsa in 1371.