| Male Jacques d'Avêsnes, Seigneur d'Avêsnes, Leuze, Conde and Guise |
| Birth | Abt 1150 | |
| Death | 7 Sep 1191 | Arsuf, Holy Land |
| Burial | ||
| Marriage | ||
| Father | Nicholas d'Avêsnes, Lord d'Avêsnes, Leuze and Conde | F3350 Group Sheet | |
| Mother | Mathilda de la Roche | F3350 Group Sheet | |
| Female Adele de Guise |
| Birth | Before 1155 | Guise, Aisne, Hauts-de-France, France |
| Death | ||
| Burial | ||
| Father | Bernard, Seigneur de Guise | F3351 Group Sheet | |
| Mother | Adelaide | F3351 Group Sheet | |
| Male + Sir Bouchard d'Avêsnes, Seigneur d'Avêsnes and d'Etroen |
| Birth | Abt 1180 | |
| Death | 1244 | Étrœungt, Nord, Hauts-de-France, France |
| Burial | 1244 | Clairefontaine Abbey, Wallonia, Belgium |
| Spouse | Margaret, Countess of Hainault and Flanders | F3348 | |
| Marriage | Jul 1212 | |
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Sources 🟢 Primary Evidence 🟡 Secondary Evidence 🟠 Tertiary Evidence 🔴 Unreliable Evidence |
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