Individual Details
Bertha van Flanders Countess of Flanders
( - )
Families
| Spouse | Aimon 1st d'Vienne Count d'Vienne ( - 1015) |
| Child | Gerold de Geneva Count of Geneva (1011 - 1044) |
| Father | Baldwin 3rd "the Young" de Flanders Count of Flanders (940 - ) |
| Mother | Mathilde von Sachsen Princess of Saxony and Countess of Flanders (937 - 1008) |
| Sibling | Arnulf 3rd de Flanders Count of Flanders (960 - 987) |
| Sibling | Jean de Conteville Lord of Tonsburgh ( - ) |