| 1. d'Avesnes, Heer van Beaumont, Graaf van Oostervant Jan d. 11 Jul 1302, Kortrijk (in battle) | | 2. d'Avesnes, Hendrik d. Aft 18 Mar 1303 | | 3. of Holland and Hainault, Margaretha d. 18 Oct 1342 | | 4. of Holland and Hainault, Alix, b. Abt 1275 d. 26 Oct 1317 (Age ~ 42 years) | | 5. d'Avesnes, Isabella d. Dec 1305, Le Quesnoy | | 6. d'Avesnes, Johanna | + | 7. Graaf van Holland en Hainault 1304-1337 Willem III 'the Good', b. Abt 1286 d. 8 Jun 1337, Valenciennes (Age ~ 51 years) | + | 8. d'Avesnes-Beaumont, Sire de Beaumont Jan, b. Abt 1288 d. 11 Mar 1356, Château Beaumont (Age ~ 68 years) | + | 9. of Holland and Hainault, Marie, b. Abt 1280 d. Sep 1354, Château Murat, Bourbonnais (Age ~ 74 years) | |