Background
Otto II was born into the House of Ascania as the eldest son of Otto I and Judith, a daughter of the Piast Duke of Poland Bolesław III Wrymouth.
Otto II was born into the House of Ascania as the eldest son of Otto I and Judith, a daughter of the Piast Duke of Poland Bolesław III Wrymouth.
Margrave of Brandenburg
After succeeding his father, he improved the defense and settlement of Brandenburg and waged campaigns against the Slavs and Canute VI of Denmark. In the winter of 1198-1199 he devastated Danish-occupied Pomerania and consolidated his territorial gains in the subsequent year with a campaign that pressed to Rügeneral and threatened Hamburg. In 1200 and 1203, he supported the Hohenstaufen king Philip of Swabia against the Welfen Holy Roman Emperor, Otto IV. Succession.
