In this master is represented a relation between Bosnian rulers, starting from Stjepan Kotromanić (1314.-1353.) until Stjepan Tomašević (1461.-1463.). Political, social, religious occasions at the end of the 12th century and at the begining of the 13th century in Europe affected the occurence of mendicant monastic orders like Franciscans. By spreading the word of God and sending it in a mission with the aim of fighting against heresy, Franciscans also came to the area of medieval Bosnia. At the area of medieval Bosnia the Bosnian church is present, heretical doctrine that developed its doctrine in this area and gained followers. At the begining Franciscan arrivals are occasional until 1340.year when was established Bosnian Vicariate. It is specialy processed the establishment of Bosnian Vicariate and circumstances in which it was established. Alongside the establishment of Bosnian Vicariate, it has been processed the problem of founding the first monastery of saint Nicholas in Mila and expansion of the monastery network. During the presentation of the relations of Bosnian rulers circumstances have been processed and motives which affected to that relationship. Also, the rule of Bosnian Franciscans in political activities at the palace of Bosnian ruler. The relation between Bosnian rulers and Franciscans is not monotonous, it is already different considering on that which ruler is present on the Bosnian throne and in which political, social and religious circumstances reigns.