Family: Living / Joan Dorothy UNDERDOWN (F3673)
 | Frank Earnest UNDERDOWN (1879- ) |
 | Annie Constance HEYMAN (1889- ) 
|
| Earnest John W. UNDERDOWN (1908- )  |
| Beatrice Ann UNDERDOWN (1910-2006) |
| George Frederick UNDERDOWN (1916- ) |
| Joan Dorothy UNDERDOWN ( -2009)
|
