The convenient death of King Stephen also somewhat neutralized the threat posed by his intriguing mother , Queen Kujava .
With Hrvoje and Pavle gone , and Sandalj preocuppied by conflict with Pavle 's sons , Tvrtko was able to significantly expand the royal domain .
The convenient death of King Stephen also somewhat neutralized the threat posed by Tvrtko 's intriguing mother , Queen Kujava .
With Hrvoje and Pavle gone , and Sandalj preocuppied by conflict with Pavle 's sons , Tvrtko was able to significantly expand the royal domain .