1867 - 1941 (74 years)
| David Penman Jacobus, MD | |
| B: | 1927 |
| Cambridge, Massachusetts, USA | |
| D: | May 2024 |
| Princeton, Mercer, New Jersey, USA | |
| Claire Robinson | |
| B: | 9 Feb 1934 |
| Centerville, Appanoose, Iowa, USA | |
| D: | 28 Nov 2023 |
| Princeton, Mercer, New Jersey, USA | |
| John Henry Jacobus | |
| B: | 4 Jun 1929 |
| Boston, Suffolk, Massachusetts, USA | |
| D: | 26 Mar 2018 |
| Chelsea, Suffolk, Massachusetts, USA | |
| Margaret Elizabeth Penman | |
| B: | 30 Dec 1900 |
| Bangor, Penobscot, Maine, United States | |
| D: | 8 Oct 1956 |
| Brookhaven, Suffolk, New York, USA | |
| David Dinkel Jacobus | |
| B: | 16 Feb 1899 |
| Jersey City, Hudson, New Jersey, United States | |
| M: | 24 Feb 1926 |
| Cambridge, Massachusetts, USA | |
| D: | 9 Nov 1988 |
| Bellport, Brookhaven, Suffolk, New York, United States | |
|
| Georgianna Ransom Law | |
| B: | 1867 |
| New York, United States | |
| D: | 4 Mar 1941 |
| John Simpson Penman | |
| B: | 10 Mar 1864 |
| Glasgow, Lanarkshire, Scotland, United Kingdom | |
| M: | 1890 |
| D: | 30 Aug 1949 |
