| Male Johannes Geradus Heemskerk |
| Birth | 13 Jan 1912 | Oegstgeest, Zuid-Holland, Netherlands |
| Death | 28 Jul 1986 | St Marys, New South Wales, Australia |
| Burial | ||
| Marriage | ||
| Father | ||
| Mother | ||
| Female Adriana Van Hoonard |
| Birth | 10 Apr 1912 | Oegstgeest, Zuid-Holland, Netherlands |
| Death | 15 Jul 1988 | St Marys, New South Wales, Australia |
| Burial | ||
| Father | ||
| Mother | ||