Family: Count of Hainaut William d'Avesnes, I / Jeanne Valois (F5356)
m. 29 May 1305
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Male
Count of Hainaut William d'Avesnes, I
Birth 1280 Avesnes, Pas-de-Calais, Nord-Pas-de-Calais, France 
Death 7 Jun 1337 Valenciennes, Nord, Nord-Pas-de-Calais, France Burial Marriage 29 May 1305 [1, 2] Chanay, Ain, Rhone-Alpes, France [1, 2] Other Spouse Trude Van De Poele | F5363 Marriage Father Count of Hainaut Jean d'Avesnes, II | F5362 Group Sheet Mother Philippina Countess Luxembourg Maas | F5362 Group Sheet
Female
Jeanne Valois
Birth 1294 Longpont, Aisne, Picardie, France Death 7 Mar 1342 Fontenelle, Yonne, Bourgogne, France Burial Pas-de-Calais, Nord-Pas-de-Calais, France Father Count of Valois Charles Capet | F5018 Group Sheet Mother Marguerite Princess Of Sicily & Naples | F5018 Group Sheet
Female
Philippa d'Avesnes
Birth 24 Jun 1311 Valenciennes, Nord, Nord-Pas-de-Calais, France Death 14 Aug 1369 Windsor, Berkshire, England Burial 1369 Westminster, London, England Spouse King of England Edward III of Windsor Plantagenet | F4653 Marriage 24 Jan 1328 Yorkshire, England
Male
Count of Hainaut William II d'Avesnes
Birth Abt 1317 Seine-Maritime, Haute-Normandie, France Death 26 Sep 1345 Warns, Nijefurd, Friesland, Netherlands Burial Spouse Duchess of Brabant Joanna Brabant | F5337 Marriage 1334 France
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Sources - [S949] Bio Info on d'Avesnes William I, (Name: Wikipedia; Location: http://en.wikipedia.org/wiki/William_I,_Count_of_Hainaut;), http://en.wikipedia.org/wiki/William_I,_Count_of_Hainaut.
http://en.wikipedia.org/wiki/William_I,_Count_of_Hainaut - [S660] Heritage Consulting, Millennium File, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2003;).
- [S949] Bio Info on d'Avesnes William I, (Name: Wikipedia; Location: http://en.wikipedia.org/wiki/William_I,_Count_of_Hainaut;), http://en.wikipedia.org/wiki/William_I,_Count_of_Hainaut.