 While Bolesław, who had supported the candidacy of Margrave Eckard I, occupied the eastern March of Lusatia and the adjacent Milceni lands (later Upper Lusatia) in the south, the matrimonial alliance with the Polish Piast dynasty added to Herman's gain in power.During the ongoing German–Polish War in 1007, he was created count of Bautzen (Budusin).He and his younger brother Eckard II feuded with their uncle Gunzelin in what was one of 11th-century Germany's ugliest civil wars.