Mentioned in the charter of Vukašin (Demetrios Blukasinos) from January 1366, in which the Serbian King confirmed the donation of Novakь Mrasorovikь to the Monastery Hagios Panteleemon on the Holy Mount Athos. He composed the charter, which was issued by the Serbian King Vukašin (Demetrios Blukasinos) in January 1366 (Poveleniemь gospodina kralja ja Kosanь pisahь).