| Father | Male Leonard Forbes Beckwith |
| Born | 16 Jul 1844 | Brooklyn, Kings County, New York  |
| Died | 18 Nov 1895 | Bronxville, Westchester County, New York |
| Buried | Aft 18 Nov 1895 | Green-Wood Cemetery, Brooklyn, Kings County, New York |
| Married | 1 Jun 1871 | New York City, New York County, New York |
| Father | ||
| Mother | ||
| Mother | Female Margaretta Willoughby Pierrepont |
| Born | 20 May 1847 | Brooklyn, Kings County, New York |
| Died | 7 Sep 1931 | Garrison, Putnam County, New York |
| Buried | Aft 7 Sep 1931 | Saint Philip's Church Cemetery, Garrison, Putnam County, New York |
| Father | Ambassador Munson Edwards Pierrepont | F10005 Group Sheet | |
| Mother | Margaretta Duffield Willoughby | F10005 Group Sheet | |
| Child 1 | Female Marguerite Beckwith |
| Born | 1872 | New York |
| Died | 1907 | Bonn, ____, Nordrhein-Westfalen, Germany |
| Buried | ||
| Spouse | Professor Rudolph Ernst Brunnow | F10001 | |
| Married | 1 Jun 1894 | Lenox, Berkshire County, Massachusetts |
