Family Group Sheet| FATHER | | Jan II van Avesnes | | BIRTH | about 1247 | | | DEATH | 11 September 1304 | Valenciennes | | REF # | | 9018; | | FATHER | Jean I de Avesnes | | MOTHER | Aleida gravin van Holland | | | | MOTHER | | Philippine van Luxemburg | | DEATH | 6 April 1311 | | | REF # | | 9019; | | FATHER | Hendrik II van Luxemburg | | MOTHER | Margaretha |
| | | CHILDREN | | 1. | Willem III van Holland MALE | | | BIRTH | about 1286 | | | DEATH | 7 June 1337 | Valenciennes | | REF # | | 9016; | | OCCUPATION | | "Willem III was Graaf van Holland"; | | MARRIAGE | 23 May 1305 | Johanna van Valois; Longpont |
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