| Relationships | Role | Relationship Start | Relationship End |
| Valley Bancorporation | Parent | 3/4/1963 | 1/6/1988 |
| Northern State Corporation | Subsidary | 12/31/1976 | 12/31/1980 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| M&I Bank Fox Valley | Buyer | 979,611 | Discontinued | 1/7/1988 |