| Male Willem Ploos | 
| Birth | 1529 | Loosdrecht  | 
| Death | 1603 | |
| Burial | ||
| Marriage | ||
| Other Spouse | Dirckje Ploos | F1409 | |
| Marriage | ||
| Other Spouse | Jannichie Adriaen Dircksdr van Brienen | F1415 | |
| Marriage | ||
| Father | Gerrit Ploos | F1416 Group Sheet | |
| Mother | Jacoba Pieter Jacobsdr Poth | F1416 Group Sheet | |