Willem III De Avesnes
Willem III was born about 1286 in Avesnes, Pas-De-Calais, France.  He died on June 7th, 1337 in Valenciennes, Nord, France.

 Jeanne De Valois
Jeanne was born about 1294 in Longpont, Aisne, France.  She died on March 7th, 1342 in Fontenelle, Yonne, France.

 Sibylla De Hainault
Sibylla was born in 1310 in Le Quesnoy, Nord, France.

 Margaretha De Hainault
Margaretha was born in 1311 in Le Quesnoy, Nord, France.  She died at the age of 45 on June 23rd, 1356 in Le Quesnoy, Nord, France.

 Phillipa De Hainault
Phillipa was born on June 24th, 1311 in Hainault, Flanders.  She died at the age of 58 on August 15th, 1369 in Windsor Castle, Berkshire, England.  She was buried in Westminster Abbey, Westminster, Middlesex, England.

 Jan De Hainault
Jan was born about 1313.

 Johanna De Hainault
Johanna was born about 1315.

 Willem IV De Hainault
Willem IV was born about 1317.

 Agnaes De Hainault
Agnaes was born about 1320.

 Catherine De Hainault
Catherine was born in 1320 in Roet, Hainault, Flanders.  She died after 1375.

 Louis Van Holland
Louis was born about 1325.

 Elisabeth De Hainault
Elisabeth was born about 1327.