| Title | 1930 US Census - Household of Gustav Koch | |
| Date | 2 April 1930 | |
| Media | Ancestry.com digital image | |
| Page | page 3B, lines 63-65 | |
| Locality | SD 7, ED 16-696, Ward 18, Chicago, Cook County, Illinois, USA | |
| Media Type | Census | |
| Source ID | S1944 | |
| Linked to Individuals: 6 |
Emma Catharina Franzen Rev. Gustav Koch Ida C. Koch Adelheid H. Kummerow Augusta Kummerow George E. Kummerow | |