| Name | William | |
| Prefix | Count of Hainault | |
| Suffix | III | |
Relationship![]() | with Kathleen Alice Jones-Rouse | |
| Birth | 1280 | |
| Gender | Male | |
| Also Known As | William III the Good | |
| Occupation | Count of Hainault & Holland | |
| To Lady Kathleen | Great GrandParent | |
| Death | 7 Jun 1337 | |
| Person ID | I3166 | Enchanted Family Tree |
| Last Modified | 14 Mar 2012 | |
| Father | Count of Hainault John, II d. 22 Aug 1304 | |
| Mother | Philippine, of Luxemberg d. 6 Apr 1311 | |
| Family ID | F1719 | Group Sheet | Family Chart |
| Family | Jeanne De Valois, b. 1294 d. 7 Mar 1342 (Age 48 years) | |||
| Marriage | 19 May 1305 | |||
| Children |
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| Family ID | F1718 | Group Sheet | Family Chart | ||
| Last Modified | 14 Mar 2012 | |||