1886-1923
| Clarence Albert Duce | |
| B: | 16 Jul 1886 |
| Missouri | |
| D: | 23 Jun 1923 |
| Adams Twp., DeKalb County, Missouri | |
1891-1920
| Hope Creek | |
| B: | 17 Jul 1891 |
| Starfield, Clinton County, Missouri | |
| D: | 5 Dec 1920 |
| Maysville, DeKalb County, Missouri | |
1888-1953
| Bertha Louella Duce | |
| B: | 1 Mar 1888 |
| DeKalb County, Missouri | |
| D: | 6 Feb 1953 |
| Maysville, DeKalb County, Missouri | |
|
| Frederick William Duce | |
| B: | 12 Feb 1854 |
| Germany | |
| D: | 24 Feb 1919 |
| Adams Twp., DeKalb County, Missouri | |
| Anna Clara Warner | |
| B: | 26 Nov 1863 |
| Illinois | |
| D: | 28 Oct 1930 |
| Adams Twp., DeKalb County, Missouri | |