George William Hartwell (1865-1934) 
|
 | Clara Watts (1867-1953)
|
Horace Bertram Hartwell (1891-1961)  |
| Norman Hubert Hartwell (1893-1942) |
| Harold Reginald Hartwell (1894-1933) |
| Percy Cyril Hartwell (1896-1984) |
| Oliver Ralph Hartwell (1898-1918) |
| Charles Henry Hartwell (1899-1918) |
| Robert Hubert Hartwell (1900- ) |
 | Albert Edward Hartwell (1902-1976) |
| Clara Hartwell (1903-1991) |
| Clarence Sidney Hartwell (1906-1935) |
 | Albert Lines (1871-1937)
|
 | Amy S Woolhead (1872- )
|
| Mark Albert Lines (1893-1942) |
 | Harry Lines (1894-1952) |
| May Victoria Lines (1897-1980) |
| Peter Lines (1898- ) |
| Amy I Lines (1899-1944) |
| Thomas Lines (1900- ) |
| Eleanor Ivy Lines (1904-1964) |
| Olive Lilian Lines (1904-1983) |
| Dorothy Lines (1904-1904) |
| Edward Lines (1905-1956) |
| Sidney A Lines (1907-1949) |
 | George William Joseph Hartwell (1888-1968)
|
 | Rebecca Mary Lines (1892-1954)
|
 | Frederick George Hartwell (1911-1963) |
 | William Albert (Bill) Hartwell (1913-1965) |
 | Dorothy Rebecca Ada (Dolly) Hartwell (1914-1975) |
| Male Hartwell (1916-1916) |
 | Phyllis Clara Hartwell (1916-1983) |
 | Patricia (Thelma) Hartwell (1920-2012) |
 | Gerald Clarence Hartwell (1922-1983) |
 | Molly Hartwell (1926-1976) |
 | Betty Jean Hartwell (1928-2015) |
 | Rosemarie Elizabeth Hartwell (1936-1977) |
