| Name | John Gerard JOHANNES | |
| Nickname | Gerard | |
| Birth | 16 Dec 1886 | Batavia [1] |
| Gender | Male | |
| Death | 17 Jan 1945 | Tjimahi [2] |
| Person ID | I7445 | Martherus | Ancestors of Robin Martherus |
| Last Modified | 9 Jun 2004 | |
| Father | George Mackertich JOHANNES, b. 14 Jul 1856, Nieuw-Julfa d. 29 May 1932, Batavia (Age 75 years) | |
| Mother | Maria Madlina ARATHOON, b. 21 May 1863, Batavia, Java, DEI d. 20 Mar 1918, Batavia (Age 54 years) | |
| Marriage | 24 Jan 1884 | Batavia [3] |
| Family ID | F4384 | Group Sheet | Family Chart |
| Sources |