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Male William Iii Count of Hainault D Avesnes

William Iii Count of Hainault was born in January 1286 in Avenes, Pas de Calais, Normandy, France.1   William Iii Count of Hainault's father was Jean Ii Comte Hainault and his mother was Philippina Countess Luxembourg.  His paternal grandparents were Jean De Avesnes and Aleida De Holland; his maternal grandparents were Henri Count Luxembourg and + Marguerite De Bar. He had a brother named William Iii Lebon Comte.  He was the younger of the two children.  He died at the age of 51 on June 7th, 1337 in Valenciennes, Nord, Nord-Pas-de-Calais, France.1 


William Iii Count of Hainault's family with Jeanne Countess Dehainault Devalois

‌William Iii Count of Hainault and Jeanne Countess Dehainault were married in a religious ceremony on May 19th, 1305 in Longpont, Essonne, Ile-de-France, France.1   They had a daughter named Isobella (Queen Consort) of.

1 Public Member Trees @ Database online.

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