When Duke Álmos returned from the Holy Land and realised that his territories had been incorporated into the royal domains, he escaped to the court of Henry V, Holy Roman Emperor. Upon the duke's request, the Emperor laid siege to Bratislava. However, King Coloman sought the assistance of Duke Boleslaw III of Poland, who attacked Bohemia. In November, the emperor made a peace with Coloman, who let his brother come back to his court, but the Duchy and his ducal power was not to be restored. Shortly afterwards, Coloman set up the bishopric of Nitra in one of the seats of the Ducatus.