
| Name | Willem IV Count Of HOLLAND | |
| Birth | Abt 1317 | Of, Le Quesnoy, Nord, France |
| Gender | Male | |
| Death | 26 Sep 1345 | , Worms, Friesland, Netherlands |
| Burial | , Valenciennes, Nord, France |
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| Person ID | I8074 | Coombs |
| Last Modified | 22 Jan 2013 | |
| Father | Willem III de AVESNES, Count of Holland, b. Abt 1286, Of, Avesnes, Pas-de-Calais, France d. 7 Jun 1337, , Valenciennes, Nord, France (Age 51 years) | |
| Mother | Jeanne de VALOIS, b. Abt 1294 OR 1295, Of, Longpont, Aisne, France d. 7 Mar 1342, , Fontenelle, Yonne, France (Age 47 years) | |
| Marriage | 14 May 1305 | Chanay, Ain, Rhône-Alpes, France |
| Family ID | F2626 | Group Sheet | Family Chart |
| Family 1 | Jeanne Duchess Of BRABANT & LIMBOURG | |
| Marriage | 1334 | |
| Family ID | F2751 | Group Sheet | Family Chart |
| Last Modified | 2 Feb 2026 | |
| Family 2 | ||
| Family ID | F2752 | Group Sheet | Family Chart |
| Last Modified | 2 Feb 2026 | |
| Sources |