James Leonard Plimpton (1828- ) |
Harriet Amelia Adams (1831- ) |
 | Rev. Robert Beals Hall (1845-1876) 
|
| Sarah Delia Lord (1845- )
|
| Henry Richardson Plimpton (1868- )
|
| Edith Alden Hall (1875- )
|
 | John Alden Plimpton (1899-1986) |
| Henry Adams Plimpton (1902-1990)  |
| Elizabeth Wright "Eliza" Plimpton (1906-2004) |
| Robert Hall Plimpton (1915-2010) |
