Family: Karl Fredrick Mathis / Ella Marie Nielsen (F172)
Hans Peter Nielsen (1875-1940) 
|
 | Amanda Petrea Jensen (1887-1979)
|
Marius Carl Nielsen (1906-1973)  |
| Karl Fredrick Mathis (1906-1988) |
| Ella Marie Nielsen (1908-2002)
|
| Robert William Mathis (1946- ) |