1899 - 1986 (87 years)
 | Conway Whittle Cooke Hoover 1948-1995 |
| Conway Whittle Cooke Hoover | |
| B: | 1 Oct 1948 |
| Washington, District of Columbia, District of Colombia | |
| D: | 5 Dec 1995 |
| Hagerstown, Washington County, Maryland | |
 | Elizabeth Cooke "Lil" "Lillie" Hoover 1955-2007 |
| Elizabeth Cooke "Lil" "Lillie" Hoover | |
| B: | 17 Jun 1955 |
| Maryland | |
| D: | 25 Jun 2007 |
| Rocky Ridge, Frederick County, Maryland | |
| William Herbert "Billy" Hoover 1928-1983 |
| William Herbert "Billy" Hoover | |
| B: | 23 May 1928 |
| Washington, District of Columbia, District of Colombia | |
| D: | Jan 1983 |
| Takoma Park, Montgomery County, Maryland | |
 | Elizabeth Randolph "Les" Cooke 1930-1995 |
| Elizabeth Randolph "Les" Cooke | |
| B: | 11 Jun 1930 |
| Washington, District of Columbia, District of Colombia | |
| M: | Bef 1948 |
| D: | 23 May 1995 |
| Washington, District of Columbia, District of Colombia | |
| Anna Gertrude Johnson 1899-1986 |
| Anna Gertrude Johnson | |
| B: | 7 Jun 1899 |
| Washington, District of Columbia, District of Colombia | |
| D: | 18 Oct 1986 |
| Silver Springs, Fairfax County, Virginia | |
| Robert McKinley Hoover 1897-1962 |
| Robert McKinley Hoover | |
| B: | 4 Aug 1897 |
| Washington, District of Columbia, District of Colombia | |
| M: | 10 Nov 1915 |
| Washington, District of Columbia, District of Colombia | |
| D: | 16 May 1962 |
| Clearwater, Pinellas County, Florida | |
