| Relationships | Role | Relationship Start | Relationship End |
| First Interstate Of Iowa, Inc. | Parent | 2/27/1978 | 2/11/1992 |
| Associated Bank Corporation | Parent | 2/8/1974 | 2/26/1978 |
| Iowa County Bank Corporation | Parent | 12/31/1970 | 1/30/1974 |
| Relationships | Role | Relationship Start | Relationship End |
| First Interstate Of Iowa, Inc. | Parent | 2/27/1978 | 2/11/1992 |
| Associated Bank Corporation | Parent | 2/8/1974 | 2/26/1978 |
| Iowa County Bank Corporation | Parent | 12/31/1970 | 1/30/1974 |