1890 - 1930 (39 years)
| Meta Mathilda Koch | |
| B: | 28 Dec 1918 |
| D: | 28 Dec 2003 |
| Benoni, Transvaal, Suid-Afrika | |
| Thomas Richard Selby Cheetham | |
| B: | 15 Aug 1917 |
| M: | 10 May 1941 |
| Johannesburg, Transvaal, Suid-Afrika | |
| D: | 22 Apr 1982 |
| Boksburg, Transvaal, Suid-Afrika | |
|
| Gladys Frieda van Dyk | |
| B: | 4 Aug 1890 |
| D: | 15 Feb 1930 |
| Plumstead, Kaap, Suid-Afrika | |
| Heinrich Adolf Koch | |
| B: | CA 1887 |
| Kaapstad, Kaap, Suid-Afrika | |
| M: | 7 Nov 1912 |
| Worcester, Kaap, Suid-Afrika | |
| D: | Yes, date unknown |
