Family: Jean I de Avesnes / Aleida, Countess of Holland (F2464)
m. Sep 1246Bouchard de Avesnes (1182-1244) 
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Marguerite, Comtesse de Flandre (1202-1280)
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| Baudouin de Avesnes (1217-1218) |
Baudouin de Avesnes (1219-1295)  |
| Floris IV, Count Holland (1210-1234)
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| Mathilde of Brabant (1200-1267)
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| Willem II, Count Holland (1227-1256) |
| Floris, Count of Holland (1228-1258) |
| Margaretha, Countess of Holland (1230-1277) |
| Machteld, Countess of Holland (1232- ) |
| Jean I de Avesnes (1218-1257)
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| Aleida, Countess of Holland (1226- )
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| Marguerite de Avesnes (1239- ) |
| Jean II de Avesnes, Count (1247-1304) |
| Baudouin de Avesnes (1249- ) |
| Bishop Bouchard de Avesnes (1251-1296) |
| Bishop Guy de Avesnes (1253-1317) |
| Bishop Guillaume de Avesnes (1254-1296) |
| Floris de Avesnes (1255-1297) |
| Jeanne de Avesnes (1256-1304) |