1921 - 1973 (51 years)
| Anton Gideon van Dyk, (BOTHA) 1998-2022 |
| Anton Gideon van Dyk, (BOTHA) | |
| B: | 23 May 1998 |
| D: | 19 May 2022 |
| Ernest Manfred Holtmann 4 Jan-2021 |
| Ernest Manfred Holtmann | |
| B: | 4 Jan |
| D: | CA Apr 2021 |
| Gideon van Dyk 1951-1980 |
| Gideon van Dyk | |
| B: | 30 Mar 1951 |
| D: | 1 Mar 1980 |
| Krugersdorp, Transvaal, Suid-Afrika | |
|
| Gideon van Dyk 1921-1973 |
| Gideon van Dyk | |
| B: | 2 Oct 1921 |
| Roodepoort, Transvaal, Suid-Afrika | |
| D: | 14 Sep 1973 |
| Johannesburg, Transvaal, Suid-Afrika | |
 | Helena Dorothea de Beer 1925-2001 |
| Helena Dorothea de Beer | |
| B: | 27 Mar 1925 |
| Pretoria, Transvaal, Suid-Afrika | |
| M: | 28 Nov 1942 |
| Roodepoort, Transvaal, Suid-Afrika | |
| D: | 26 May 2001 |
| Sasolburg, Vrystaat, Suid-Afrika | |
