William II of Dampierre
| William II of Dampierre | |
|---|---|
| Spouse(s) | Margaret II, Countess of Flanders |
| Noble family | House of Dampierre |
| Father | Guy II of Dampierre |
| Mother | Mathilde of Bourbon |
| Born | 1196 |
| Died | 3 September 1231 |
William II (1196 – 3 September 1231) was the lord of Dampierre from 1216 until his death. He was the son of Guy II, constable of Champagne, and Mathilde of Bourbon.
His brother, Archambaud VIII, inherited Bourbon, and William inherited Dampierre. He married Margaret II, Countess of Flanders and Hainault, in 1223 and was thus regent of Flanders until his death as "Willem I" (or "Guillaume Ier"). In 1226 a Cistercian nunnery was founded at St.-Dizier, by William and his wife Margaret. Their sons William III and John would continue to confirm and patronize the nunnery during their lives, including William II's burial at the St.-Dizier nunnery in 1231. William and Margaret would found more Cisterian nunneries throughout the county of Flanders, including one at Flines.
He had four children (three sons) by Margaret and the eldest took part in the War of the Succession of Flanders and Hainault:
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