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[1] – 1172) also called William (II; III) Talvas.[a] He was seigneur de Montgomery in Normandy and Count of Ponthieu.
- ^ Kathleen Thompson, 'William Talvas, Count of Ponthieu, and the Politics of the Anglo-Norman Realm', England and Normandy in the Middle Ages, ed. David Bates, Ann Curry (Hambledon Press, London, 1994), p. 170
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