| Relationships | Role | Relationship Start | Relationship End |
| Blackhawk Bancorporation | Parent | 1/1/1984 | 12/22/1985 |
| Iowa Bancorporation | Parent | 12/31/1970 | 12/31/1983 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Peoples Bank And Trust Company | Buyer | 169,301 | Discontinued | 12/23/1985 |