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.