-Yes, date unknown
| James Blackford | |
| D: | Yes, date unknown |
-Yes, date unknown
| Blackford | |
| D: | Yes, date unknown |
-Yes, date unknown
| Helmar Solberg | |
| D: | Yes, date unknown |
1878-1954
| John Thomas Blackford | |
| B: | 8 Apr 1878 |
| Braddyville, Page County, Iowa | |
| D: | 29 May 1954 |
| Burlington Junction, Nodaway County, Missouri | |
-Yes, date unknown
| Alice Clark | |
| D: | Yes, date unknown |
1890-1958
| Lloyd Jackson Blackford | |
| B: | 19 Jun 1890 |
| Clearmont, Nodaway County, Missouri | |
| D: | 5 Oct 1958 |
| Saint Joseph, Buchanan County, Missouri | |
-Yes, date unknown
| Helen Weddle | |
| D: | Yes, date unknown |
1854-1935
| Allice A. Nicholas | |
| B: | 24 Jul 1854 |
| Green County, Wisconsin | |
| D: | 27 Jan 1935 |
| Burlington Junction, Nodaway County, Missouri | |
1854-1942
| William Martin Blackford | |
| B: | 28 May 1854 |
| Monroe, Green County, Wisconsin | |
| D: | 20 Feb 1942 |
| Burlington Junction, Nodaway County, Missouri | |
-Yes, date unknown
| Lucinda Lewis | |
| B: | Illinois |
| D: | Yes, date unknown |
-Yes, date unknown
| Jackson J. Nicholas | |
| B: | Ohio |
| D: | Yes, date unknown |