Jogaila converted to Christianity and was crowned King of Poland (Władysław II Jagiełło), thus creating a personal union between the Kingdom of Poland and the Grand Duchy of Lithuania. The official Lithuanian conversion to Christianity removed the religious rationale for the order's activities in the area.[19] Its grand master, Conrad Zöllner von Rothenstein, supported by Hungarian King Sigismund of Luxemburg, responded by publicly contesting the sincerity of Jogaila's conversion, bringing the charge to a papal court.[19] The territorial disputes continued over Samogitia, which had been in Teutonic hands since the Peace of Raciąż in 1404. Poland also had territorial claims against the Knights in Dobrzyń Land and Gdańsk (Danzig), but the two states had been largely at peace since the Treaty of Kalisz (1343).[20] The conflict was also motivated by trade considerations: The knights controlled the lower reaches of the three largest rivers (the Neman, Vistula and Daugava) in Poland and Lithuania.[21]