Family: Welf I Bavaria VonAltorf / Duchess Helwig and Abbess of Bavaria (maid. name 1)

Maternal line Welf I Bavaria VonAltorf

No parents are registered.

Maternal line Duchess Helwig and Abbess of Bavaria (maid. name 1)
Irmentruda Thiedrada VonNagolzgau	_	Isenbart Graf Lord Altorf Welfen