Bertold Von Bayern I Margrave of Bavaria

Bertold was born about 0915.¹   Bertold's father was Arnolph Von Bayern I Duke and his mother is Agnes Of Hungary.  His paternal grandfather was Leopold Von Bayern Duke of Bavaria and his paternal grandmother is Cunigunde Von Schwaben; his maternal grandfather was Prince of Hungary Takason and his maternal grandmother is ??? Kumanka. He had two brothers and a sister, named Arnulph II Of Upper, I Second Count of Palatine and Judith. He had a half-brother named I "The Illustrious" Markgraf of Austria.  He died in 0980.¹