 Before 1270, Béla IV has authorized him the collection of duties at the bridge, where the Leitha flowed into the Moson arm of the Danube west of Szigetköz near his fortress.After Stephen V succeeded his father in 1270, he confirmed the received privilege on 1 October, along with other estates in Moson County.When Ottokar invaded the lands north of the Danube in April 1271 and captured a number of fortresses, and routed the Hungarian army at Moson on 15 May, his troops devastated its fortress.