At first, Jogaila—like his father—based his rule in the southern and eastern territories of Lithuania, while his uncle, Kęstutis, the Duke of Trakai, continued to rule the north-western region.
Ao principio, Jogaila —como fixera o seu pai— apoiouse nos territorios orientais e meridionais do ducado, mentres que o seu tío Kęstutis, duque de Trakai, continuaba como señor da rexión noroccidental.