1892 - 1964 (72 years)
| John William Fredericks | |
| B: | 21 Jul 1912 |
| Kaapstad, Kaap, Suid-Afrika | |
| D: | 10 Nov 1973 |
| Athlone, Western Cape, South Africa | |
| Frank Timothi Fredericks | |
| B: | 23 Nov 1914 |
| D: | Yes, date unknown |
| Arthur Leslie Fredericks | |
| B: | 5 Dec 1916 |
| D: | Yes, date unknown |
| William Nicholas Tobias Fredericks | |
| B: | CA 1892 |
| D: | 26 Oct 1964 |
| Kaapstad, Kaap, Suid-Afrika | |
| Eliza Maria van Dyk | |
| B: | 21 May 1889 |
| M: | 27 May 1912 |
| Kaapstad, Kaap, Suid-Afrika | |
| D: | 9 Oct 1918 |
| Kaapstad, Kaap, Suid-Afrika | |
