1887 - Yes, date unknown
| Irene Tredwell | |
| B: | 10 Mar 1924 |
| D: | 26 Dec 1995 |
| Robert Treadwell | |
| B: | 1916 |
| New York | |
| George Treadwell | |
| B: | 1913 |
| New York | |
| Hazel Treadwell | |
| B: | 1911 |
| New York | |
| Henry Treadwell | |
| B: | 1910 |
| New York | |
| Theodore H Treadwell | |
| B: | 1909 |
| New York | |
| Bessie Treadwell | |
| B: | 1908 |
| New York | |
| James E. Treadwell | |
| B: | 8 Apr 1928 |
| Bayshore Suf, New York | |
| D: | 29 Oct 1991 |
| St James, Suffolk, New York, USA | |
|
| Lulu B. Cuffee | |
| B: | 20 May 1887 |
| New York, United States | |
| D: | Yes, date unknown |
