Welf I, Count of Altdorf

father of Judith of Bavaria (0778–0825)

Parents

• Rothard van de Argengau
• Welpo (or Isebrand) Count in Bavaria
• Irmentruda Thiedrada von Nagolzgau
• Gelph Count of Altdorf and Argengau

Children

• unknown daughter von Altdorf
• Conrad I, Count of Auxerre
• Hemma
• Rudolph
• Judith of Bavaria

Partners

• Hedwig