He was born in the upper Toplica region (south Serbia)- mountain Radan, near the town of Kuršumlija. He was a sworn brother (in Serbian: pobratim) to Miloš Obilić and Milan Toplica. The character of the Serbian knight is presented in Serbian epic poetry. Fortification of the Serbian knight is Ivan kula (in Serbian: Ivanova kula), on the western slopes of mount Radan. This fort is located near Devil's Town (in Serbian: Đavolja varoš).