| 1. Joseph W Duncan |
 |
| B: |
18 Aug 1850 |
| P: |
Illinois, USA |
| D: |
1 Jan 1870 |
| P: |
Marshall County, Kansas, USA |
|
| 2. William Benson Duncan, Sr |
|
| B: |
12 Aug 1829 |
| P: |
Williamson County, Illinois, USA |
| M: |
30 Aug 1849 |
| P: |
Franklin County, Illinois, USA |
| D: |
8 Apr 1902 |
| P: |
Mariposa, Mariposa, California, USA |
|
| 4. Dudley Whitaker Duncan |
|
| B: |
7 Oct 1808 |
| P: |
Kentucky, USA |
| M: |
4 Sep 1828 |
| P: |
|
| D: |
3 Nov 1855 |
| P: |
Williamson County, Illinois, USA |
|
| 8. Henry Duncan |
=> |
|
| B: |
1782 |
| P: |
Mason County, Kentucky, USA |
| M: |
7 Oct 1805 |
| P: |
Salem, Livingston, Kentucky, USA |
| D: |
Aft 1860 |
| P: |
|
|
1850 - 1870 (19 years)
