| Male Willem III van Strijen |
| Birth | Abt 1200 | |
| Death | v 1276 | |
| Burial | ||
| Marriage | ||
| Other Spouse | Mechtild | F2931 | |
| Marriage | ||
| Father | Willem II van Strijen | F2930 Group Sheet | |
| Mother | ||
| Female Elisabeth [?] van der Lede |
| Birth | Abt 1220 | |
| Death | v 1253 | |
| Burial | ||
| Father | Herbaren van de Lede | F1892 Group Sheet | |
| Mother | ||
| Male + Willem IV van Strijen |
| Birth | Abt 1235 | |
| Death | Abt 1260 | |
| Burial | ||
| Spouse | Aleid van Heemskerk | F2491 | |
| Marriage | ||