1843 - 1929 (86 years)
| Jesse Kellum Platt | |
| B: | 12 Dec 1868 |
| Stony Brook, Brookhaven, Suffolk, New York, United States | |
| D: | 11 Jul 1955 |
| Brookhaven, Suffolk, New York, United States | |
| Florence M. Hand, < | |
| B: | 16 Sep 1869 |
| M: | Sep 1900 |
| New York, United States | |
| D: | Yes, date unknown |
| Mary Esther Velsor | |
| B: | 3 Nov 1843 |
| Commack, Suffolk, New York, United States | |
| D: | 3 Dec 1929 |
| Port Jefferson, Suffolk, New York, United States | |
| William Henry Platt | |
| B: | 20 Oct 1845 |
| Cold Spring, Suffolk, New York, United States | |
| M: | 12 Apr 1868 |
| Central Presbyterian Or Second Presbyterian Church, Huntington, Suffolk, New York, United States | |
| D: | 11 Feb 1915 |
| Port Jefferson, Suffolk, New York, United States | |
