| Matthias Bernard |
Frost |
* 1853 Trier, Rhineland-Palatinate, Germany + 1932 Gilbertville, Black Hawk, Iowa, USA |
- |
|
| Nikolaus C |
Frost |
* 1888 Gilbertville, Black Hawk, Iowa, USA + 1987 Gettysburg, Potter, South Dakota, USA |
Frost - Marks |
|
| Margaret |
Marks |
* 1859 Gilbertville, Black Hawk, Iowa, USA + 1911 Gilbertville, Black Hawk, Iowa, USA |
- |
|
| Raphael Peter |
Neisen |
* 1912 Gilbertville, Black Hawk, Iowa, USA + 1993 Mower County, Minnesota, USA |
- |
|
| Edward Adam Valentine |
Pint |
* 1868 Gilbertville, Black Hawk, Iowa, USA + 1935 Independence, Buchanan, Iowa, USA |
- |
|
| Catherine |
Wirtz |
* 1894 Gilbertville, Black Hawk, Iowa, USA + 1978 Gettysburg, Potter, South Dakota, USA |
- |
|
