Father: Count Hermann I of Arnsberg-Werl
Born: 949
Married: Unknown
Died: 997

Mother: Princess Gerberga of Burgundy
Born: 965
Died: July 7, 1019

Children:
1. Count Hermann II of Arnsberg-Werl (b.980)
2. Count Rudolf of Werl (b.982)
3. Count Bernhard of Werl (b.986)