Jeanne of Dampierre [SEP] father
Joan of Dampierre
Joan of Dampierre (c. 1225–1245/1246) was the only daughter of Margaret II, Countess of Flanders, and William II of Dampierre.
In 1239, her mother arranged her to be wed to count Hugh III of Rethel. Margaret stipulated that her dowry should be returned in case the count died without giving Joan a child. When this indeed happened, the money was refunded. 
Joan was betrothed to Theobald II, Count of Bar, in 1243 and married him two years later. She died
, a son of Guillaume IV of Dampierre (1258 – a. 1314).
- Jeanne, married to Jean le Mercier, Seigneur of Noviant-au-Pré. They had:
- Guillemette le Mercier, married to Renaud of Coucy and had issue.
A possible son, a probable alternative is that his cousin Jean of Tartigny, son of Raoul (II) of Tartigny (d. a. 1243), a brother of Simon II of Clermont, was the father:
- Raoul IV of Clermont-