Individual Details
John Wainwright DeWitt
( - )
Families
| Spouse | Mary Drew Marsh |
| Child | Helen Harsh DeWitt |
| Child | Susan Crowther DeWitt |
| Father | Ralph Birchard DeWitt (1901 - 1974) |
| Mother | Helen Ursula Bliss |
| Sibling | Birchard Bliss DeWitt |
| Sibling | Randolph Austin DeWitt |