1882 - 1921 (39 years)
| Julie Higinbotham | |
| B: | Feb 1951 |
| D: | Bef 2023 |
| Gregory Schletter | |
| D: | Yes, date unknown |
| Margaret Miller Gray | |
| B: | 15 Sep 1909 |
| Wisconsin, United States of America | |
| D: | 2 Dec 1982 |
| William Alfred Higinbotham | |
| B: | 22 Oct 1910 |
| Bridgeport, Bridgeport, Fairfield, Connecticut, United States | |
| M: | 9 Jul 1949 |
| East Bloomfield, Ontario, New York, USA | |
| D: | 10 Nov 1994 |
| Washington D.C., United States | |
| Alexander Gray | |
| B: | 1882 |
| Scotland | |
| D: | 1921 |
| Margaret Annandale Low | |
| B: | 1882 |
| D: | 1958 |
