1911 - 1991 (79 years)
| Barclay Robertson Duke | |
| B: | 26 Apr 1961 |
| D: | 17 Dec 1989 |
| 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 |
| Barclay Kountze Douglas | |
| B: | 2 Mar 1911 |
| New York, N.Y. | |
| D: | 7 Feb 1991 |
| Washington, District of Columbia, District of Columbia, USA | |
| Jane Elizabeth Foster | |
| B: | 19 Jan 1911 |
| Dedham, Massachusetts | |
