 MaleIsrael Underhill |
| Birth | 17 Jul 1804 | Chappaqua, Westchester, New York, United States  |
| Death | 2 Mar 1869 | New York City, Ny, Ny |
| Burial | Brooklyn, New York City, New York, United States |
|
| Marriage | 24 Sep 1828 | New York City, New York, United States |
| Father | Daniel Underhill | F26981 Group Sheet | |
| Mother | Sarah Cocks | F26981 Group Sheet | |
 FemaleMary Louisa Williams |
| Birth | 21 Aug 1810 | of New York City, New York |
| Death | 12 Dec 1873 | New York City, New York, United States |
| Burial | Brooklyn, Kings, New York, United States |
|
| Father | John Williams | F26982 Group Sheet | |
| Mother | Hannah Woodward Blair | F26982 Group Sheet | |
| Male Andrew Mitchell Underhill |
| Birth | 20 Feb 1835 | New York City, New York, United States |
| Death | 28 Jul 1898 | New Rochelle, Westchester, NY |
| Burial | 1898 | Trinity Episcopal Church Cemetery, New Rochelle, Westchester, New York, United States |
| Spouse | Kate Grady | F26976 | |
| Marriage | 19 Aug 1858 | New York City, Ny, Ny |
