He appears to have evaded capture by Hungarian troops by fleeing to the mountains of northern Zachlumia .
Sigismund 's claim became untenable , but Bosnians acknowledged his overlordship over Ostoja ; only Tvrtko refused to submit to the King of Hungary .
Tvrtko appears to have evaded capture by Hungarian troops by fleeing to the mountains of northern Zachlumia .
Sigismund 's claim became untenable , but Bosnians acknowledged his overlordship over Ostoja ; only Tvrtko refused to submit to the King of Hungary .