1898 - 1987 (89 years)
| Peter Garrett De Graff | |
| B: | 23 Sep 1927 |
| Riverhead, Suffolk, New York, United States | |
| D: | 2 Feb 1955 |
| Baltimore, Maryland, United States | |
| James Warren De Graff | |
| B: | 3 Dec 1924 |
| Riverhead, Suffolk, New York, United States | |
| D: | 28 Nov 1957 |
| Riverhead, Suffolk, New York, United States | |
| Jane Mary Warren | |
| B: | 16 Jan 1898 |
| Dunkirk, Chautauqua, New York, United States | |
| D: | Jun 1987 |
| Riverhead, Suffolk, New York, United States | |
| Cornelius De Graff | |
| B: | 22 Jul 1888 |
| Sayville, Suffolk, New York, United States | |
| D: | 9 Jun 1959 |
| Riverhead, Suffolk, New York, United States | |
