Person

William I, Count of Ponthieu

(915-980)

Also known as William I, Count of Montreuil, Guillaume, Seigneur de Ponthieu

Key facts

No public IJR answers mention William I, Count of Ponthieu yet. As people ask about it and share their answers, they'll appear here.

Person

(915-980)

Also known as William I, Count of Montreuil, Guillaume, Seigneur de Ponthieu

No public IJR answers mention William I, Count of Ponthieu yet. As people ask about it and share their answers, they'll appear here.