| Johan George Adolf Thomas | |
| B: | 27 Apr 1897 |
| Blitar, Java, DEI | |
| Catharina Cecilia Thomas |
| Catharina Cecilia Thomas | |
| B: | 30 Sep 1898 |
| Makassar, Celebes, DEI | |
| D: | Den Haag, Zuid-Holland, The Netherlands |
| Herman Abraham Thomas |
| Herman Abraham Thomas | |
| B: | 28 Oct 1898 |
| Blitar, Java, DEI | |
| George Herman Thomas |
| George Herman Thomas | |
| B: | 07 Jan 1867 |
| Batavia, Java, DEI | |
| M: | 03 Aug 1892 |
| Batavia, Java, DEI | |
| D: | 11 Dec 1920 |
| Banjoewangi, Java, DEI | |