| Family with parents |
| father |
Joseph Robert Harvey Wellman Birth: 8 October 1854 40 33 Death: 9 December 1916 — Pembroke, Bermuda |
| mother |
Agnes Opelia Trimingham Birth: 1856 Death: 19 June 1926 — Pembroke, Bermuda |
|
Marriage: 9 April 1874 — |
|
|
2 months elder sister |
Catherine Cecilia Wellman Birth: 29 July 1874 19 18 — Sandys, Bermuda Death: 20 February 1891 — Sandys, Bermuda |
|
23 months elder sister |
Mary Elizabeth Wellman Birth: 3 May 1876 21 20 |
|
17 months elder brother |
Edmund Clyde Wellman Birth: 18 November 1877 23 21 — Paget, Bermuda Death: 3 October 1940 |
|
22 months elder brother |
ssss Wellman Birth: 5 August 1879 24 23 — Sandys, Bermuda Death: 5 August 1879 |
|
13 months elder brother |
George Harvey Wellman Birth: 4 September 1880 25 24 — Sandys, Bermuda Death: 27 January 1968 — Pembroke, Bermuda |
|
2 years elder sister |
Beatrice Louisa Wellman Birth: 25 September 1882 27 26 — Sandys, Bermuda Death: 25 January 1884 — Sandys, Bermuda |
|
23 months himself |
Horace Willoughby Wellman Birth: 1 September 1884 29 28 — Sandys, Bermuda Death: 28 October 1949 — Pembroke, Bermuda |
|
2 years younger brother |
Solomon James Wellman Birth: 27 August 1886 31 30 — Sandys, Bermuda Death: 8 September 1886 — Sandys, Bermuda |
|
11 months younger brother |
Joseph Joshua Wellman Birth: 27 July 1887 32 31 Death: 10 March 1954 — Pembroke, Bermuda |
| Family with Rachel Armstrong |
| himself |
Horace Willoughby Wellman Birth: 1 September 1884 29 28 — Sandys, Bermuda Death: 28 October 1949 — Pembroke, Bermuda |
| wife |
Rachel Armstrong Birth: 1884 |
|
Marriage: 5 April 1906 — St John's, Pembroke, Bermuda |