1856 - 1941 (85 years)
| Stanley Grafton Mortimer, Jr. | |
| B: | 12 May 1913 |
| Tuxedo Park, Tuxedo, Orange, New York, United States | |
| D: | 11 Aug 1999 |
| Harriman, Monroe, Orange, New York, United States | |
| Katherine Mortimer | |
| B: | 11 Sep 1922 |
| Tuxedo, Orange, New York, United States | |
| D: | 14 Apr 2003 |
| Juniata, Mifflin, Pennsylvania, United States | |
| John Jay Mortimer | |
| B: | 11 Oct 1935 |
| Manhattan, New York City, New York, United States | |
| D: | 25 Sep 2013 |
| Manhattan, New York County, New York, United States | |
| Eve Mortimer | |
| B: | 21 Feb 1918 |
| Manhattan, New York City, New York, United States | |
| D: | 1 Oct 2007 |
| West Grove, Chester, Pennsylvania, United States | |
| Henry Tilford Mortimer | |
| B: | 17 Jun 1916 |
| Tuxedo, Orange, New York, United States | |
| D: | 6 Sep 1993 |
| Palm Beach, Palm Beach, Florida, United States | |
| Katherine Hunt Tilford | |
| B: | 27 Aug 1890 |
| Manhattan, New York City, New York, United States | |
| D: | Jul 1970 |
| New York, United States | |
|
| Isabelle Weart Giles | |
| B: | 19 Jun 1856 |
| Manhattan, New York City, New York, United States | |
| D: | 31 Jul 1941 |
| Tuxedo, Orange, New York, United States | |
