ラザル
The Battle of Dubravnica was fought in the summer of 1380 or December 1381, on the Dubravnica River near Paraćin in today's central Serbia, between the Serbian forces of Prince Lazar of Serbia led by commanders Vitomir and Crep and the invading Ottoman Turks of Sultan Murad I. Vitomir and Crep were the regional lords, and one of their fortresses, Petrus, was in the vicinity of the battle.