Individual Details
Irvin John Koch
(10 Nov 1904 - 21 Jul 1962)
Events
Families
| Spouse | Ellen Magdalene Frerking (1909 - 1938) |
| Child | Bruce Allen Koch (1932 - 2017) |
| Father | Johann Friedrich Heinrich Koch (1870 - 1945) |
| Mother | Marie Adelheid Huelskoetter (1873 - 1939) |
Endnotes
1. Ancestry.com, U.S., Find a Grave Index, 1600s-Current (Lehi, UT, USA: Ancestry.com Operations, Inc., 2012).
