| Male Willem IV van Strijen |
| Birth | Abt 1235 | |
| Death | Abt 1260 | |
| Burial | ||
| Marriage | ||
| Father | Willem III van Strijen | F2597 Group Sheet | |
| Mother | Elisabeth [?] van der Lede | F2597 Group Sheet | |
| Female Aleid van Heemskerk |
| Birth | Abt 1235 | |
| Death | 1294/1309 | |
| Burial | ||
| Other Spouse | Lodwijk II van Randerode | F2492 | |
| Marriage | ||
| Father | Hugo van Heemskerk | F2490 Group Sheet | |
| Mother | ||
| Male + Willem V van Strijen |
| Birth | 1255/1258 | |
| Death | 1293/1294 | |
| Burial | ||
| Spouse | Oda [?] van Borselen | F2112 | |
| Marriage | ||