1933 - 2015 (81 years)
| Barclay Robertson Duke | |
| B: | 26 Apr 1961 |
| Manhattan, New York City, New York, USA | |
| D: | 17 Dec 1989 |
| East Hampton, Suffolk, New York, USA | |
| Nancy Ann Abendschoen | |
| B: | Abt 1961 |
| M: | 21 Jun 1986 |
| Morris Township, Morris, New Jersey, USA | |
| D: | Yes, date unknown |
|
| Diane Marie Douglas | |
| B: | 30 May 1933 |
| New York, United States | |
| D: | 6 May 2015 |
| Southhampton NY | |
| Anthony Drexel Duke, Sr. | |
| B: | 28 Jul 1918 |
| Manhattan, New York City, New York, United States | |
| M: | 1957 |
| D: | 30 Apr 2014 |
| Gainesville, Alachua, Florida, United States | |
| George D F Lamborn | |
| B: | 1936 |
| New Jersey | |
| D: | 17 Jul 2019 |
| Vero Beach, Indian River, Florida, United States | |
| Hunter Goodrich, Jr | |
| B: | 17 Jan 1930 |
| New York, United States | |
| D: | 6 Jan 1995 |
