William III d' Avesnes , Count of Hainault
William III d' was born about 1280 in Avesnes, Pas-de-Calais, Normandy, France.  He died on June 7th, 1337 in Valenciennes, France.

 Jeanne de Valois
Jeanne de was born about 1291 in Valois, France.  She died in Fontenelle, France.

 Margaretha d' Avesnes , of Hainault
Margaretha d' was born about 1309 in Avesnes, Pas-de-Calais, Normandy, France.  She died on June 23rd, 1356 in Le Quesnoy, Nord, France.

 Philippa d' Avesnes , of Hainault
Philippa d' was born on June 24th, 1311 in Mons, Hainault, Belgium.  She died at the age of 58 on August 15th, 1369 in Windsor Castle, Windsor, Berkshire, England.  She was buried in Westminster Abbey, London, Middlesex, England.

 Elizabeth d' Avesnes , of Hainault
Elizabeth d' was born about 1314 in Mons, Hainault, Belgium.

 Catherine d' Avesnes , of Hainault
Catherine d' was born in 1320 in Hainault, Belgium.  She died after 1375 in Ghent, Hainault, Belgium.