Berthold 's brother ( or nephew ) Margrave Leopold I of Austria became progenitor of the Younger House of Babenberg .
Margrave Henry and his father Berthold may have been descendants of Duke Arnulf of Bavaria and related to the Luitpolding dynasty .
Berthold 's brother ( or nephew ) Margrave Henry Leopold I of Austria became progenitor of the Younger House of Babenberg .
Margrave Henry and his father Berthold may have been descendants of Duke Arnulf of Bavaria and related to the Luitpolding dynasty .