1806 - 1881 (75 years)
| James Goodriche Osler | |
| B: | CALC 24 Jul 1840 |
| Simon's Town, Kaap, Suid-Afrika | |
| D: | 24 Jun 1896 |
| Calvinia (Hantam), Kaap, Suid-Afrika | |
| Johanna Georgina van Dyk | |
| B: | 12 Apr 1840 |
| Stellenbosch, Kaap, South Africa | |
| M: | 6 Feb 1866 |
| Calvinia (Hantam), Kaap, Suid-Afrika | |
| D: | 17 Dec 1891 |
| Johanna Georgina Elizabeth van Dyk | |
| A: | 19 Apr 1834 |
| Kaapstad, Kaap, Suid-Afrika | |
| M: | 6 Feb 1866 |
| D: | Yes, date unknown |
| Catharine Dakins | |
| B: | CA 1806 |
| Llaway Glen, Montgomeryshire, Wales | |
| D: | 7 Mar 1881 |
| Simon's Town, Kaap, Suid-Afrika | |
| Stephen Sawle Osler | |
| B: | 27 Sep 1804 |
| Falmouth, Cornwall, England | |
| M: | 20 Jan 1834 |
| Simon's Town, Kaap, Suid-Afrika | |
| D: | 20 Oct 1867 |
| Simon's Town, Kaap, Suid-Afrika | |
