 MaleJohn J. Hart |
| Birth | Abt 1883 | |
| Death | Abt 1966 | Islip, Suffolk, New York, United States  |
| Burial | ||
| Marriage | ||
| Father | ||
| Mother | ||
 FemaleMarjorie Opdyke |
| Birth | Abt 1883 | |
| Death | 1974 | Suffolk County, New York, United States |
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| Father | ||
| Mother | ||
| Male John J Hart, Jr |
| Birth | 1930 | |
| Death | 30 Dec 2017 | Stony Brook, New York, United States |
| Burial | Sayville, Suffolk County, New York, United States of America |
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| Spouse | Helen Kreiser Norton | F9584 | |
| Marriage | ||
| Spouse | Barbara Hart() | F9585 | |
| Marriage | ||
