Father: Count Welf of Altdorf Born: 777 Married: Unknown Died: 825
Mother: Princess Heilwig of Sachsen Born: 781 Died: 846
Children: 1. Princess Judith of Altdorf (b.800) 2. Count Konrad I of Argengau (b.804) 3. Count Rudolf I of Ponthieu (b.807) 4. Princess Emma of Altdorf (b.811)