Branko Rastislalić was the "Lord of Podunavlje

Podunavlje

Podunavlje is the name of the Danube river basin parts located in Serbia and Croatia .-History:...

" and Domestikos

Domestikos

Domestikos , in English sometimes [the] Domestic, was a civil, ecclesiastic and military office in the late Roman Empire and the Byzantine Empire.-Military usage:...

under Dušan the Mighty of the Serbian Empire

Serbian Empire

The Serbian Empire was a short-lived medieval empire in the Balkans that emerged from the Serbian Kingdom. Stephen Uroš IV Dušan was crowned Emperor of Serbs and Greeks on 16 April, 1346, a title signifying a successorship to the Eastern Roman Empire...

 from circa 1340 until his death in 1352.

Branko issued his own regional coins, the 'Helmet dinars', only one of three existing prior to the fall of the Serbian Empire

Serbian Empire

The Serbian Empire was a short-lived medieval empire in the Balkans that emerged from the Serbian Kingdom. Stephen Uroš IV Dušan was crowned Emperor of Serbs and Greeks on 16 April, 1346, a title signifying a successorship to the Eastern Roman Empire...

.
He ruled until his death in 1352, when he was accidentally killed by Vuk Kosača

Vuk Kosaca

Vuk Kosača was a 14th-century military commander of Dušan the Mighty, the Emperor of Serbia . He is the founding father of a medieval Herzegovinian noble family known as the Kosačas, that would later rule a semi-independent realm under the Bosnian crown...

 during a hunt. Branko's relatives later avenged his death in 1359, when they murdered Vuk.

He was succeeded by his son Radič Branković

Radič Branković

Radič Branković was a 14th-century Serbian feudal lord of Braničevo under Dušan the Mighty of the Serbian Empire His family had gained possession of Braničevo in the 14th century...

, Lord of Braničevo

Branicevo

Braničevo can refer to:* Braničevo , a geographical region in Serbia.* Braničevo District, a district in Serbia.* Braničevo , a village in Serbia, in the Golubac municipality....

.