1854 - 1941 (87 years)
| Henry Charles Edward Grahn, Sr. | |
| B: | 4 Apr 1907 |
| Bronx, New York, United States | |
| D: | 10 Jun 1995 |
| Marin, California, United States | |
| Madeline Nellie Dietz | |
| B: | 21 Nov 1912 |
| Bronx, New York, United States | |
| M: | 18 Oct 1932 |
| Patchogue, Brookhaven, Suffolk, New York, United States | |
| D: | 27 Jan 2000 |
| Freeport, Nassau, New York, United States | |
| Mary Frances Doughty | |
| B: | 25 Feb 1884 |
| New York City, New York, United States | |
| Frederick Johann Christov Grahn | |
| B: | 20 May 1879 |
| Ostfriesland, Niedersachsen, Germany | |
| M: | 22 Jul 1902 |
| Manhattan, New York City, New York, United States | |
| D: | 25 May 1965 |
| Tucson, Pima, Arizona, United States | |
|
| Julia O'Brien | |
| B: | May 1854 |
| Ireland | |
| D: | 20 Nov 1941 |
| Manhattan, New York City, New York, United States | |
| William Henry Doughty | |
| B: | Dec 1856 |
| New York, United States | |
| M: | 1879 |
| D: | 7 Jul 1913 |
| Manhattan, New York City, New York, United States | |
