 Complete the following phrase:  Branko ; 133165 was a Serbian magnate who served to king and emperor Stefan Dušan r. 133155, and emperor Stefan Uroš V r. 135571, with the titles of sluga and later sevastokrator. A member of an old and respectable family, possibly descending from the Serbian dynasty itself, Branko began his royal service in the nearest circle of the ruler. After the elevation of the Serbian state to an empire 1346, Branko received the second-highest court title, sevastokrator, usually given to relatives. He governed the Ohrid region in Macedonia. Branko had three sons and a daughter, of whom Vuk Branković would become an important person in the period of the 