William III, Count of Ponthieu
William III of Ponthieu | |
|---|---|
Coat of Arms of the Counts of Ponthieu | |
| Born | c. 1093 |
| Died | 1172 |
| Noble family | House of Bellême |
| Spouse(s) | Helie of Burgundy |
| Father | Robert II of Bellême |
| Mother | Agnes of Ponthieu |
William III of Ponthieu (c. 1093 – 1171) also called William (II; III) Talvas. He was seigneur de Montgomery in Normandy and Count of Ponthieu.