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Part of the Silesian Duchy of Głogów under the Piast duke Konrad I from 1251 on, the settlement in 1476 belonged to the inheritance of Barbara of Hohenzollern, widow of the last Głogów duke Henry XI, and therefore claimed by her father Elector Albert Achilles of Brandenburg.
While Siemowit's son Duke Konrad II (1264–1294) moved his residence to Czersk he and his brother Boleslaus II entered into a long-term conflict over the Polish seniorate with their Kuyavian relatives and the Silesian Piasts, which estranged them from the Piast monarchy.
Against their resistance, it became part of the Silesian Duchy of Żagań under the Piast duke Jan I, after his father-in-law Elector Rudolf III of Saxony had devastated the settlement.
Henry had acquired the strip of former Lubusz Land up to Fürstenberg (today's Eisenhüttenstadt) from the Silesian duke Bolesław II Rogatka in turn for his mediation in the duke's conflict with his Piast brother Henry III the White.
The new king, John of Bohemia, continued to claim the Polish royal title and moreover sought to vassalize the Piast dukes of the adjacent Silesian region.
In 1326 the Grand Master formed an anti-Polish coalition at Brodnica, consisting of the Masovian dukes Siemowit II, Trojden I and Wenceslaus of Płock as well as of several Silesian Piasts and King John of Bohemia.