People with Last Name JOHN GRETTENBERG
There are 5 known people with the name JOHN GRETTENBERG. The combination of JOHN and GRETTENBERG is most frequently found in Iowa and Kansas Here you can find the geographic distribution of this names in all states:
| 1 | IOWA | 3 | IOWA | 3 |
| 1 | KANSAS | 1 | KANSAS | 1 |
| 1 | WASHINGTON | 1 | WASHINGTON | 1 |