| Family with parents |
| father | |
| mother |
Joanna Elizabeth Swan Birth: 26 September 1852 36 41 |
| elder sister |
Cordelia Winifred Juscombe Grant Birth: 27 September 1890 38 — Sandys, Bermuda Death: 4 February 1958 |
|
20 months elder brother |
Oswald Lennox Grant Birth: 3 June 1892 39 — Sandys, Bermuda |
|
2 years elder sister |
Rosalie Berry Grant Birth: 22 October 1894 42 — Sandys, Bermuda |
| elder sister |
Lela May Grant Birth: 22 October 1894 42 — Sandys, Bermuda |
|
3 years elder brother |
Arnold Colingwood Grant Birth: 5 May 1897 44 — Sandys, Bermuda Death: 22 July 1963 |
|
19 months himself |
Cecil McLean Grant Birth: 7 December 1898 46 — Sandys, Bermuda |
|
21 months younger brother |
Randal Onslow Grant Birth: 31 August 1900 47 — Sandys, Bermuda |
|
7 years younger sister |
Edna May Grant Birth: 28 February 1907 54 — Sandys, Bermuda |
| Family with Lilian Hilda Fox |
| himself |
Cecil McLean Grant Birth: 7 December 1898 46 — Sandys, Bermuda |
| wife |
Lilian Hilda Fox Birth: 1895 |
|
Marriage: 22 October 1919 — Christ Church, Devonshire, Bermuda |
| Family with Florence Helen Brangman |
| himself |
Cecil McLean Grant Birth: 7 December 1898 46 — Sandys, Bermuda |
| wife |
Florence Helen Brangman Birth: 5 October 1904 45 43 — Pembroke, Bermuda |
| daughter |
Jean Evadne Helene Grant Birth: 1 October 1930 31 25 — Sandys, Bermuda |
|
16 months daughter |
Carmin Feletia Izeyl Grant Birth: 9 February 1932 33 27 — Sandys, Bermuda |
|
13 months daughter |
Stephanie Elizabeth Grant Birth: 1 March 1933 34 28 — Sandys, Bermuda |
|
4 years son |
Lionel Erskine Grant Birth: 17 September 1936 37 31 — Pembroke, Bermuda |
| daughter |
Private |
| son |
Private |