Jovan Uglješa

Jovan Uglješa
Born	Jovan Uglješa Mrnjavčević
Died	26 September 1371 Maritsa
Cause of death	Killed in action
Title	Grand Voivode (Veliki Vojvoda) Despot
Spouse(s)	Jelena (Jefimija)
Parent(s)	Mrnjava

Uglješa Mrnjavčević (Serbian: Угљеша Мрњавчевић; fl. 1346–1371), known as Jovan Uglješa (Јован Угљеша, Bulgarian: Иван/Йоан Углеша) was a Serbian medieval nobleman of the Mrnjavčević family that served the Serbian Empire. He held the title of despot during the rule of Uroš V. His brother was magnate Vukašin Mrnjavčević.

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

He held Travunia in 1346, during the rule of Stephen Uroš IV Dušan of Serbia (1331–1355).

Uglješa married Jelena (later nun Jefimija), daughter of Vojihna, the Caesar of Drama. This boosted the power of Uglješa, who would later govern the region alongside his father-in-law. Vojihna died in ca 1360, and his lands were inherited by Jovan Uglješa.

He was given the title of despotes by Empress Helena of Bulgaria in 1365. His province was situated along the lower course of the Struma with Serres as seat. And in order to be regarded as a proper Christian ruler, it was his duty to conform to the traditional practice of patronage. He made substantial donations to monasteries at Mount Athos, particularly Hilandar and repairing and refurbishing Simonopetra monastery in 1364. Like so many other Serbian rulers before and after him, one of the main purposes of his patronage and pilgrimage to the Holy Mountain was to ask the Athonites' blessing on his struggle against the Turks.

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