| 1. Robert Dale Billman |
 |
| B: |
24 Dec 1926 |
| P: |
Swan Lake, Pocahontas County, Iowa, USA |
| D: |
31 May 2008 |
| P: |
Oklahoma City, Oklahoma County, Oklahoma, USA |
|
| 2. Ira Albert Billman |
|
| B: |
30 Nov 1889 |
| P: |
Illinois, USA |
| M: |
|
| P: |
|
| D: |
0Jan 1970 |
| P: |
Oklahoma City, Oklahoma County, Oklahoma, USA |
|
| 4. Jacob Billman |
|
| B: |
16 May 1856 |
| P: |
Illinois, USA |
| M: |
1877 |
| P: |
|
| D: |
21 Nov 1916 |
| P: |
South Dakota, USA |
|
| 8. Jakob Billmann Billman |
|
| B: |
1 Jan 1834 |
| P: |
Ingeltheim, Bas-Rhin, Alsace, France |
| M: |
1854 |
| P: |
Ohio, USA |
| D: |
16 Aug 1910 |
| P: |
Ottawa, LaSalle County, Illinois, USA |
|
1926 - 2008 (81 years)