| Male Willem van Horne |
| Birth | Abt 1170 | |
| Death | v 1196 | |
| Burial | ||
| Marriage | ||
| Father | Engelbert van Horne | F2546 Group Sheet | |
| Mother | ||
| Female Margaretha [?] van Altena |
| Birth | Abt 1170 | |
| Death | Abt 1207 | |
| Burial | ||
| Other Spouse | Otto II van Wickenrode | F1832 | |
| Marriage | ||
| Father | Boudewijn van Altena | F1830 Group Sheet | |
| Mother | Margaretha van Bornem | F1830 Group Sheet | |
| Male + Willem I van Horne (van Altena) |
| Birth | v 1196 | |
| Death | 1264/1265 | |
| Burial | ||
| Spouse | Heilwig van Heeze | F2493 | |
| Marriage | ||