 Complete the following phrase:  Bogisław, now sole ruler of Pomerania-Stolp, began a lengthy quarrel with Bishop Nicholas of Cammin about several ecclesiastical estates, which led to Nicholas expulsion and the appointment of Magnus of Saxe-Lauenburg in 1410. Like his brother Barnim, Duke Bogisław also entered into King Jogailas service, but changed sides in 140708, when he allied with the Teutonic Knights under Grand Master Ulrich von Jungingen and settled their common border. Nevertheless, Bogisław refused any armed support and when the Knights lost the 