Abt 1873 - 1917 (~ 44 years)
 | Addison Barnwell "Barney" Cooke, Jr. Abt 1931-1987 |
| Addison Barnwell "Barney" Cooke, Jr. | |
| B: | Abt 1931 |
| Maryland | |
| D: | 13 Jun 1987 |
| Charlottesville, Charlottesville (city) County, Virginia | |
| Anne Beverly Cooke 1932-2009 |
| Anne Beverly Cooke | |
| B: | 12 Jul 1932 |
| Baltimore, Baltimore County, Maryland | |
| D: | 23 Aug 2009 |
| Towson, Baltimore County, Maryland | |
| Charles Preston Scheffenacker 1926-2008 |
| Charles Preston Scheffenacker | |
| B: | 20 Nov 1926 |
| D: | 22 Jul 2008 |
| Salisbury, Wicomico County, Maryland | |
| Hortense deBeauharnais Mellier 1907-1966 |
| Hortense deBeauharnais Mellier | |
| B: | 14 Jun 1907 |
| Maryland | |
| D: | 2 Mar 1966 |
| Los Angeles, Los Angeles County, California | |
| Addison Barnwell Cooke Abt 1903-1958 |
| Addison Barnwell Cooke | |
| B: | Abt 1903 |
| Maryland | |
| M: | Bef 1930 |
| D: | 12 Aug 1958 |
| Pittsburgh, Allegheny County, Pennsylvania | |
| John Alexander MacKay 1894-1964 |
| John Alexander MacKay | |
| B: | 2 Apr 1894 |
| Boston, Suffolk County, Massachusetts | |
| M: | 22 Jan 1964 |
| Los Angeles County, California | |
| D: | 7 Oct 1964 |
| Los Angeles County, California | |
| Elizabeth Bixler Abt 1873-1917 |
| Elizabeth Bixler | |
| B: | Abt 1873 |
| Maryland | |
| D: | 16 Nov 1917 |
| Baltimore, Baltimore County, Maryland | |
| Henry Francis Mellier Abt 1872-1930 |
| Henry Francis Mellier | |
| B: | Abt 1872 |
| Maryland | |
| M: | Bef 1903 |
| D: | Between 1926 and 1930 |
