| Father | Male John Henry Gesner |
| Mother | Female Femmetje Brouwer |
| Born | 1723 | Tappan, Rockland County, New York |
| Died | 10 Feb 1788 | Tappan, Rockland County, New York |
| Buried | Old Gesner burial ground on Gesner farm outside Tappan. |
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| Father | Adolf Brouwer | F0295 Group Sheet | |
| Mother | Jannetje Verdon | F0295 Group Sheet | |
| Child 1 | Female Elizabeth Gesner |
| Born | 6 Dec 1745 | Tappan, Rockland County, New York |
| Died | 8 Aug 1825 | Closter, Harrington Township, Bergen County, New Jersey |
| Buried | Gesner-Conklin Burying Ground, Rockland County, New York |
| Child 2 | Male + John Hendrick Gesner, Jr. |
| Born | 24 Sep 1749 | Tappan, Rockland County, New York |
| Died | 10 Jun 1833 | |
| Buried | ||
| Spouse | Living | F0326 | |
| Married | ||
| Child 5 | Male + Hendrick Gesner |
| Born | 10 Nov 1756 | Tappan, Rockland County, New York, age 29 |
| Died | 13 Oct 1850 | Cornwallis, Nova Scotia |
| Buried | ||
| Spouse | Sarah Pineau | F0328 | |
| Married | ||
| Spouse | Living | F1124 | |
| Married | ||
| Child 6 | Male + Abraham Gesner |
| Born | 10 Nov 1756 | Tappan, Rockland County, New York |
| Died | 29 Apr 1824 | |
| Buried | ||
| Spouse | Elizabeth Steadman | F0225 | |
| Married | 1786 | |
| Child 7 | Male + Cornelius Gesner |
| Born | 1 Feb 1761 | Tappan, Rockland County, New York |
| Died | 7 Sep 1790 | Tappan, Rockland County, New York, age 29 |
| Buried | Old Gesner burial ground on Gesner farm outside Tappan |
| Child 8 | Male + Nicholas Gesner |
| Born | 10 Dec 1765 | Tappan, Rockland County, New York |
| Died | 20 May 1858 | Palisades, New York |
| Buried | ||
| Spouse | Gracey Post | F0799 | |
| Married | 14 Apr 1789 | |
| Child 9 | Female Famiche Gesner |
| Born | 31 Mar 1768 | Tappan, Rockland County, New York |
| Died | ||
| Buried | ||
| Spouse | Living | F0329 | |
| Married | ||