1816 - 1892 (75 years)
| Rorbert David Lion Gardniner | |
| B: | 25 Feb 1911 |
| New York, United States | |
| D: | 23 Aug 2004 |
| East Hampton, New York, United States | |
| Eunice Joyce Bailey | |
| B: | 6 Sep 1928 |
| London, England, United Kingdom | |
| M: | 21 Mar 1961 |
| New York City, New York, United States | |
| D: | 26 Jul 2011 |
| Palm Beach, Florida, United States | |
| Alexandra Diodati Gardiner | |
| B: | 7 Feb 1910 |
| New York City, New York, United States | |
| D: | 19 Dec 1990 |
| Glen Cove, Nassau, New York, United States | |
| Robert Alexander Gardiner | |
| B: | 16 Oct 1863 |
| Castleton, Richmond, New York, United States | |
| D: | 26 Apr 1919 |
| Manhattan, New York County, New York, United States | |
| Nora Murphy Loftus | |
| B: | 23 May 1871 |
| County Kilkenny, Ireland | |
| M: | 22 Feb 1909 |
| St Margaret's Church, Barking, Barking and Dagenham, London, England, United Kingdom | |
| D: | 1955 |
| Sarah Diodata Gardiner | |
| B: | 3 Jul 1862 |
| West New Brighton, Staten Island, New York City, New York, United States | |
| D: | 5 Jan 1953 |
| David Gardiner | |
| B: | 7 Apr 1861 |
| West New Brighton, Staten Island, New York City, New York, United States | |
| D: | 18 Nov 1927 |
|
| David Lion Gardiner | |
| B: | 23 May 1816 |
| East Hampton, Suffolk, New York, United States | |
| D: | 9 May 1892 |
| Manhattan, New York City, New York, United States | |
| Sarah Gardiner Thompson | |
| B: | 11 Oct 1829 |
| East Hampton, Suffolk, New York, United States | |
| M: | 26 Apr 1860 |
| Manhattan, New York City, New York, United States | |
| D: | 3 Jul 1916 |
| Manhattan, New York City, New York, United States | |
