Bef 1899-
| Lilian Mary Amelia Sinfield | |
| B: | Bef 18 Feb 1899 |
| Great Brickhill, Bedfordshire, UK | |
Bef 1902-
| Violet Annie Maud Sinfield | |
| B: | Bef 23 Feb 1902 |
| Great Brickhill, Bedfordshire, UK | |
Bef 1904-
| Frederick John Thornton Sinfield | |
| B: | Bef 13 Mar 1904 |
| Great Brickhill, Bedfordshire, UK | |
Bef 1905-
| William James Sinfield | |
| B: | Bef 3 Dec 1905 |
| Great Brickhill, Bedfordshire, UK | |
Abt 1908-
| Leslie George Sinfield | |
| B: | Abt Sep 1908 |
| Fenny Stratford, Buckinghamshire, UK | |
|
Abt 1874-Abt 1949
| George Frederick Sinfield | |
| B: | Abt Jun 1874 |
| Great Brickhill, Bedfordshire, UK | |
| D: | Abt Mar 1949 |
| North Buckinghamshire, UK | |
Cal 1877-Abt 1960
| Lily Thornton | |
| B: | Cal 1877 |
| Luton, Bedfordshire, UK | |
| M: | 27 Sep 1897 |
| St Mary the Virgin Church, Great Brickhill, Bedfordshire, UK | |
| D: | Abt Mar 1960 |
| North Buckinghamshire, UK | |