Family: Alvin Adam Welp / Olga Landgraf (F794)
m. Abt 1926August Herman Welp (1873-1947) 
|
Louise D. Riemann (1876-1960) |
(Elizabeth Auguste) Vera Welp (1898-1974)  |
| (Clara Anna) Marcella Welp (1906-1907) |
| Alvin Adam Welp (1900-1979)
|
| Olga Landgraf (1900-1941) |
| Welp (1930-1930) |
| Daniel Alvin Welp (1932-1949) |