| Male Willem I van Horne (van Altena) |
| Birth | v 1196 | |
| Death | 1264/1265 | |
| Burial | ||
| Marriage | ||
| Father | Willem van Horne | F1831 Group Sheet | |
| Mother | Margaretha [?] van Altena | F1831 Group Sheet | |
| Female Heilwig van Heeze |
| Birth | Abt 1212 | |
| Death | Nov 1264 | |
| Burial | ||
| Father | Reinald van Heeze | F1828 Group Sheet | |
| Mother | Alveradis [?] van Altena | F1828 Group Sheet | |
| Male + Willem II van Horne |
| Birth | Abt 1235 | |
| Death | v 1300 | |
| Burial | Neer (klooster Keyserbosch) |
|
| Spouse | Agnes [?] van Perwijs (van Leuven) | F2548 | |
| Marriage | ||
| Spouse | Maria | F2552 | |
| Marriage | ||