His wife claimed that he was descended from Wittekind, a notable defender of the Saxons and the chief opponent of Charlemagne during the Saxon Wars of 777 to 785, but there is no other evidence for this.
A súa esposa pretendía descender de Viduquindo, un notable defensor dos saxóns e o principal opoñente de Carlomagno durante as guerras saxoas de 777 a 785, pero non hai outra evidencia disto.