1866 - 1930 (64 years)
| Dwight David Eisenhower 1948-1998 |
| Dwight David Eisenhower | |
| B: | 31 Mar 1948 |
| West Point, Orange, New York, USA | |
| D: | Oct 1998 |
 | Patricia Thelma Ryan 1912-1992 |
| Patricia Thelma Ryan | |
| B: | 16 Mar 1912 |
| Ely, White Pine, Nevada, USA | |
| D: | 22 Sep 1992 |
| Richard Milhous Nixon 1913-1994 |
| Richard Milhous Nixon | |
| B: | 13 Jan 1913 |
| Yorba Linda, Orange, California, USA | |
| M: | 21 Jun 1940 |
| D: | 23 Apr 1994 |
| Yorba Linda, Orange, California, USA | |
| William Martin Ryan 1866-1930 |
| William Martin Ryan | |
| B: | 1866 |
| Ridgefield, Fairfield, Connecticut, USA | |
| D: | 7 May 1930 |
| Artesia, Los Angeles, California, USA | |
| Katherine Halberstadt 1879-1926 |
| Katherine Halberstadt | |
| B: | Apr 1879 |
| Frankfurt am Main, Frankfurt am Main, Hessen, Germany | |
| D: | 18 Jan 1926 |
| Los Angeles, Los Angeles, California, USA | |
