Abt 1902 - Yes, date unknown
| Joanna Wilma Iseldyke | |
| B: | 2 Sep 1941 |
| Brookhaven, New York, USA | |
| D: | 5 Dec 2023 |
| Sayville, New York USA | |
| Norman Harold Engelhardt | |
| B: | 25 Feb 1937 |
| Albany Alb, New York | |
| M: | 1964 |
| New York City, New York, USA | |
| D: | 16 Jul 1998 |
| William Iseldyke | |
| B: | Abt 1902 |
| New Jersey | |
| D: | Yes, date unknown |
| Jennie Heyboer | |
| B: | 18 Oct 1902 |
| New Jersey | |
| D: | 22 Jan 2006 |
| Sayville, Suffolk County, New York, USA | |
