"Waleran, Count of Meulan, d. 1166 = Agnes, da. of Amauri de Montfort, Count of Evreux." Their son "Robert, Count of Meulan, lost his estates, d.c. 1207 = Maud, da. of Reynold, Earl of Cornwall. [1]
Galeran IV de Beaumont, Comte de Meulan-sur-Seine, 1st Earl of Worcester, Agnès de Montfort, Dame de Gournay-sur-Marne
[1] George E. Cokayne and Vicary Gibbs, ed., The Complete Peerage, rev., Vol. 7, Husee to Lincolnshire (London: St. Catherine Press, 1929), 520, Leicester.