Ralph married Philippe of Dammartin about 1246. Philippe (daughter of Simon of Dammartin de Danmartin, Count of Aumâle, Count of Ponthieu and Montreuil and Marie (Jeanne) of Ponthieu, Countess of Ponthieu) died on 14 Apr 1278; was buried in Gravendal Abbey, Gueldres. [Group Sheet] [Family Chart]
Family/Spouse: Elisabeth. Elisabeth (daughter of Walter III of Châtillon, Count of Saint-Pol and Elisabeth of Saint-Pol) and died. [Group Sheet] [Family Chart]