William, Count of Montreuil I
- 965
Generation: 1
Generation: 3
Generation: 4
1. William, Count of Montreuil I (son of Rotgaire Count of Montreuil); died in 965. I married on Yes, date unknown. [Group Sheet] [Family Chart]
Children:- Ernicule Count of Boulogne died in 972.
2. Rotgaire Count of Montreuil (son of Herluin, Count of Montre (First) II); died in 957. Children:
- 1. William, Count of Montreuil I died in 965.
Generation: 3
4. Herluin, Count of Montre (First) II (son of Helgaud, Governor of Ponthieu II); died in 945. Children:
- 2. Rotgaire Count of Montreuil died in 957.
Generation: 4
8. Helgaud, Governor of Ponthieu II (son of Herluin Governor of Ponthieu); died in 926. Children:
- 4. Herluin, Count of Montre (First) II died in 945.