1890-Yes, date unknown
| Leonard Ferris Davidson | |
| B: | 18 Aug 1890 |
| D: | Yes, date unknown |
1892-Yes, date unknown
| Arthur Bisbee Davidson | |
| B: | 14 Dec 1892 |
| D: | Yes, date unknown |
1897-1987
| Dorthy Grace Davidson | |
| B: | 15 May 1897 |
| , , Nebraska, USA | |
| D: | 2 Jul 1987 |
| , Contra Costa, California, USA | |
1903-Yes, date unknown
| Hugh Charles Davidson | |
| B: | 26 Apr 1903 |
| D: | Yes, date unknown |
1865-Yes, date unknown
| Hugh Shaddle Davidson | |
| B: | 23 May 1865 |
| D: | Yes, date unknown |
1868-1941
| Laura Grace Bisbee | |
| B: | 16 Apr 1868 |
| Fontanelle, Washington, Nebraska, USA | |
| M: | 28 Aug 1889 |
| Fontanelle, Washington, Nebraska, USA | |
| D: | 6 Nov 1941 |
| Oakland, Alameda, California, USA | |