Family: Carl Studer / Madeleine Billmann (F26870)
Charles Billmann (1819-1890) 
|
Marie Anne Samtmann (1818-1872)
|
| Charles Billmann (1844-1845) |
Madeleine Billmann (1845-1875)  |
| Louis Billmann (1848-1927) |
| Philipp Billmann (1851-1925) |
| Charles Billmann (1858- ) |
| Georges Billmann (1861-1899) |
| Michel Billmann (1864-1915) |
| Madeleine Billmann (1854- )
|
| Carl Studer (1849- ) |
| Ludwig Studer (1871- ) |
| Georg Studer (1887- ) |