Family: Joseph William McGrath / Theresa M. Koontz (F82123)
Otto Franklin Koontz (1888-1968) 
|
Marie Arnold (1893- ) |
| Ralph Koontz (1916-1982) |
Eleanora M. Koontz (1917-2006)  |
| Robert G. Koontz (1923-2007) |
| Joseph William McGrath (1907-1994) |
| Theresa M. Koontz (1921-1995)
|
