1855 - 1888 (32 years)
| Mary Cook | |
| B: | 21 Sep 1881 |
| Manhattan, New York City, New York, United States | |
| Walter Cook, Jr | |
| B: | 4 Jul 1880 |
| Manhattan, New York City, New York, Stati Uniti d'America | |
| Mary Cook | |
| B: | 1914 |
| New York, United States | |
| D: | 1962 |
| Walter Cook, II | |
| B: | 1913 |
| New York, United States | |
| Edith Bentley Cook | |
| B: | 18 Jan 1912 |
| Manhattan, New York City, New York, United States | |
| D: | 6 Apr 1935 |
| Manhattan, New York City, New York, United States | |
| Dr Edward Cook | |
| B: | 25 Sep 1878 |
| Manhattan, New York County, New York, United States | |
| Bertha Bentley | |
| B: | 19 Apr 1874 |
| Gilbertsville, Butternuts, Otsego, New York, United States | |
| M: | 16 Nov 1910 |
| Westchester, New York, United States | |
| D: | 3 Jan 1965 |
| Cooperstown, Otsego, Otsego, New York, United States | |
| Marie Elisa Hugot | |
| B: | 15 Nov 1855 |
| Fresnes, Yonne, Bourgogne-Franche-Comté, France | |
| D: | 10 Jun 1888 |
| Manhattan, New York County, New York, United States of America | |
| Walter Cook, ^ | |
| B: | 23 Jul 1846 |
| Buffalo, Erie, New York, United States | |
| M: | 18 Nov 1876 |
| Paris 1, Paris, Île-de-France, France | |
| D: | 25 Mar 1916 |
| Manhattan, New York City, New York, Stati Uniti d'America | |
