*William III "the Good" Count of Hainault d'Avesnes
born about 1286 Hainault, Belgium
died 7 June 1337 Valenciennes, Nord, France

father:
*Jean II de Holland d'Avesnes
born 1247 Brabrant, Netherlands
died 22 August 1304 Valenciennes, Nord, France

mother:
*Philippa de Luxembourg
born 1252 Luxembourg
died 6 April 1311 Valenciennes, Nord, France
married 1270

siblings:
Henri d'Avesnes born about 1271 Valenciennes, Nord, France died after 18 March 1303
Alix d'Avesnes born about 1273 Valenciennes, Nord, France died 26 October 1317
Marguerite d'Avesnes born about 1274 Valenciennes, Nord, France died 18 October 1342
Isabelle d'Avesnes born about 1275 Valenciennes, Nord, France December 1305
Jean Compte d'Avesnes born about 1278 Valenciennes, Nord, France died 11 July 1302
Jeanne d'Avesnes born about 1279 Valenciennes, Nord, France
Marie (Hainault) d'Avenes born about 1280 Valenciennes, Nord, France died 28 August 1354 Murat Castle, Bourbonnois
Valeran de Hainault born about 1282 Valenciennes, Nord, France

spouse:
*Jeanne de Valois
born about 1294 Valois, France
died 7 March 1342 Fontenelle, Yonne, France
married 19 May 1305 Chauny, Aisne, France

children:
*Elizabeth de Hainault born about 1318 Hainault, Belgium
Sibylla Countess of Holland born 1310 Le Quesnoy, Nord, France
Margaretha Countess of Holland born 1311 Le Quesnoy, Nord, France
Jan Count of Holland born 1315 Le Quesnoy, Nord, France died 1316
*Philippa d'Avesnes Queen of England born about 1314 Mons, Hainaut, Belgium
died 14 August 1369 Windsor Castle, Windsor, Berkshire, England
Johanna Countess of Holland born 1315 Le Quesnoy, Nord, France died 1374
Willem IV Count Holland born about 1317 Le Quesnoy, Nord, France
died 26 September 1345 Warns, Friesland, Netherlands
Agnes Countess of Holland born about 1320 Le Quesnoy, Nord, France
died after 24 November 1327
Louis Count of Holland born 1325 Le Quesnoy, Nord, France died 1328

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com