The army under Prince Lazar consisted Cause_to_be_included of his own troops , a contingent led by Serbian nobleman Vuk Branković , and a contingent sent from Bosnia by King Tvrtko I , commanded Control by Vlatko Vuković .

Prince Lazar was the ruler of Moravian Serbia and the most powerful among the Serbian regional lords of the time , while Vuk Branković ruled Control District of Branković located in Kosovo and other areas , recognizing Know Lazar as his overlord .