| Male Boudewijn van Altena | 
| Birth | Abt 1140 | |
| Death | 1200 | |
| Burial | ||
| Marriage | ||
| Father | Dirk van Altena | F1829 Group Sheet | |
| Mother | ||
| Female Margaretha van Bornem | 
| Birth | Abt 1145 | |
| Death | ||
| Burial | ||
| Father | Steppo van Viggezele | F2108 Group Sheet | |
| Mother | Aleidis van Gent | F2108 Group Sheet | |
| Female + Margaretha [?] van Altena | 
| Birth | Abt 1170 | |
| Death | Abt 1207 | |
| Burial | ||
| Spouse | Willem van Horne | F1831 | |
| Marriage | ||
| Spouse | Otto II van Wickenrode | F1832 | |
| Marriage | ||