 Complete the following phrase:  In 1307 Waldemar signed an agreement with the Swienca family ceding him the lands of Pomerelia Gdańsk Pomerania, whereafter Brandenburg troops occupied Świecie, Tczew and all strategic locations up to Gdańsk Danzig. In turn, the Polish king Władysław I called for the support of the Teutonic Knights, and after their takeover of Danzig, Waldemar by the 1309 