Abt 1872 - Abt 1914 (~ 42 years)
| George Frederick Sinfield Abt 1893- |
| George Frederick Sinfield | |
| B: | Abt Dec 1893 |
| Bletchley, Buckinghamshire, UK | |
| Sidney Percy Sinfield Abt 1896-Abt 1918 |
| Sidney Percy Sinfield | |
| B: | Abt Mar 1896 |
| Bradwell, Buckinghamshire, UK | |
| D: | Abt Dec 1918 |
| Potterspury district, Northamptonshire, UK | |
| Albert Edward Sinfield Abt 1899- |
| Albert Edward Sinfield | |
| B: | Abt Mar 1899 |
| Bradwell, Buckinghamshire, UK | |
Elsie Ada Sinfield Abt 1906- |
| Elsie Ada Sinfield | |
| B: | Abt Mar 1906 |
| Wolverton, Buckinghamshire, UK | |
|
| Alfred Sinfield Abt 1872-Abt 1914 |
| Alfred Sinfield | |
| B: | Abt Mar 1872 |
| Great Brickhill, Bedfordshire, UK | |
| D: | Abt Mar 1914 |
| Newport Pagnell district, Buckinghamshire, UK | |
| Mercy Julia Willett Cal 1871-Abt 1957 |
| Mercy Julia Willett | |
| B: | Cal 1871 |
| Shenley, Buckinghamshire, UK | |
| M: | Abt Sep 1893 |
| Newport Pagnell district, Buckinghamshire, UK | |
| D: | Abt Sep 1957 |
| North Buckinghamshire, UK | |
