Guillaume married Marguerite d'Avaugour Abt 1300. Marguerite (daughter of Henry d'Avaugour and Marie de Brienne) was born Abt 1284. [Group Sheet]
Foulques married Agnès de Chanteloup Abt 1317. Agnès (daughter of Robert de Chanteloup and Marguerite de Brucourt) was born Abt 1300; died Abt 1372. [Group Sheet]
Guillaume married Jeanne Bertrand de Bricquebec 1338. Jeanne (daughter of Robert Bertrand de Bricquebec and Marie de Sully) was born Abt 1325. [Group Sheet]
Guillaume married Jeanne Paynel Abt 1370. Jeanne (daughter of Olivier Paynel and Isabelle de Meulan) was born Abt 1340. [Group Sheet]