Abt 1860 - 
| Virginia D Dennis | |
| B: | 8 Apr 1922 |
| Queens, New York City, New York, United States | |
| D: | 18 Feb 2006 |
| Sayville, Islip, Suffolk, New York, United States | |
| Benjamin Jarvis Dennis | |
| B: | 27 Nov 1886 |
| Brooklyn, Kings, New York, United States | |
| D: | 23 Sep 1921 |
| New York City, Queens, New York, United States | |
| Willemina Engelhardt, ^ | |
| B: | 20 Sep 1902 |
| Brooklyn, New York City, New York, United States | |
| M: | 30 Oct 1920 |
| Queens, New York City, New York, United States | |
| D: | 6 Aug 1968 |
| Patchogue, Brookhaven, Suffolk, NY | |
| Augusta Sack | |
| B: | Abt 1860 |
| New York | |
| Isaac Willis Dennis | |
| B: | 5 Jun 1858 |
| Long Island, New York, United States | |
| D: | 23 Oct 1925 |
| New York City, Queens, New York, United States | |
