John Douglas1820–
- Name
- John Douglas
| Birth | estimated as soon after parents' marriage about 1820 52 26 |
| Birth of a sister | Jane Hamilton Douglas about 1822 (Age 2 years) |
| Birth of a sister | Ceclia Douglas about 1824 (Age 4 years) |
| Birth of a sister | Georgina Douglas about 1826 (Age 6 years) |
| Death of a father | John Douglas 1848 (Age 28 years) |
| Death of a half-sister | Cecilia Douglas November 26, 1858 (Age 38 years) |
| Death of a half-brother | James Douglas August 2, 1877 (Age 57 years) |
| Family with parents |
| father |
John Douglas Birth: 1768 — Glasgow, Lanarkshire, Scotland Death: 1848 — London, England, UK |
| mother |
Jessie Hamilton Birth: estimated as prior to marriage by 25 years — 1794 |
|
Marriage: 1819 — Glasgow, Lanarkshire, Scotland |
|
|
2 years herself |
John Douglas Birth: estimated as soon after parents' marriage — about 1820 52 26 |
|
3 years younger sister |
Jane Hamilton Douglas Birth: estimated as close to sibling(s) — about 1822 54 28 |
|
3 years younger sister |
Ceclia Douglas Birth: estimated as close to sibling(s) — about 1824 56 30 |
|
3 years younger sister |
Georgina Douglas Birth: estimated as close to sibling(s) — about 1826 58 32 |
| Father’s family with Martha Ann Telfer |
| father |
John Douglas Birth: 1768 — Glasgow, Lanarkshire, Scotland Death: 1848 — London, England, UK |
| step-mother |
Martha Ann Telfer Birth: Creole background, , DoB estimated based on forst child — about 1781 25 — Barbados |
|
Marriage: between 1800 and 1810 — |
|
|
3 years half-brother |
Alexander Douglas Birth: between 1801 and 1802 33 20 — New Amsterdam, Guyana |
|
3 years half-brother |
James Douglas Birth: August 15, 1803 35 22 — Demerara, British Guyana Death: August 2, 1877 |
|
9 years half-sister |
Cecilia Douglas Birth: 1812 44 31 — Georgetown, Guyana Death: November 26, 1858 — Victoria, British Columbia, Canada |