| Male Boudewijn IV van Vlaanderen |
| Birth | ||
| Death | ||
| Burial | ||
| Marriage | ||
| Father | Arnulf II van Vlaanderen | F2564 Group Sheet | |
| Mother | Rozala van Ivrea | F2564 Group Sheet | |
| Female Otgiva van Luxemburg |
| Birth | ||
| Death | ||
| Burial | ||
| Father | Frederik van Luxemburg | F2442 Group Sheet | |
| Mother | Irmentrud van Gleiberg | F2442 Group Sheet | |