| Male Boudewijn III van Vlaanderen |
| Birth | ||
| Death | ||
| Burial | ||
| Marriage | ||
| Father | Arnulf I van Vlaanderen | F2963 Group Sheet | |
| Mother | Adela van Vermandois | F2963 Group Sheet | |
| Female Mathilde van Saksen |
| Birth | ||
| Death | ||
| Burial | ||
| Other Spouse | Godfried van Lotharingen | F1884 | |
| Marriage | ||
| Father | Hermann van Saksen | F2888 Group Sheet | |
| Mother | Hildegard | F2888 Group Sheet | |