 Complete the following phrase:  After both King Wenceslaus II and his young successor, Wenceslaus III, had died, Duke Władysław I could reconquer large parts of the Polish territories. In 1305 the Brandenburg margraves had returned to the lands of Schlawe, Rügenwalde and Stolp. In 1307 they launched from the region a campaign against the fortified castle of Gdańsk in Pomerelia. The attack failed, however, since the local warlord, Wladislaw Lokietek, had recruited soldiers of the Teutonic Knights in order to help defending it. After the Teutonic takeover of Danzig in November 1308, whereby the Knights seized the city and allegedly slaughtered many of the inhabitants, the Ascanian Margrave Waldemar of Brandenburg-Stendal by the 