| 1. Maria Magdalena Birrer |
 |
| B: |
24 Mar 1876 |
| P: |
Johnson County, Iowa, USA |
| D: |
11 Feb 1955 |
| P: |
Johnson County, Iowa, USA |
|
| 2. Martin Birrer |
|
| B: |
12 Nov 1842 |
| P: |
Bourbach-le-Bas, Haut-Rhin, Alsace, France |
| M: |
12 Nov 1867 |
| P: |
Iowa, USA |
| D: |
8 Feb 1943 |
| P: |
Riverside, Washington County, Iowa, USA |
|
| 4. Nikolaus Birrer |
|
| B: |
6 Dec 1816 |
| P: |
Bourbach-le-Bas, Haut-Rhin, Alsace, France |
| M: |
7 Apr 1842 |
| P: |
|
| D: |
21 Mar 1870 |
| P: |
Johnson County, Iowa, USA |
|
| 8. Joseph Birrer |
|
| B: |
1764 |
| P: |
Bourbach-le-Bas, Haut-Rhin, Alsace, France |
| M: |
6 Apr 1812 |
| P: |
|
| D: |
12 Aug 1831 |
| P: |
Bourbach-le-Bas, Haut-Rhin, Alsace, France |
|
1876 - 1955 (78 years)