| Relationships | Role | Relationship Start | Relationship End |
| Banc One Wisconsin Corporation | Parent | 3/28/1990 | 12/7/1996 |
| Marisub, Inc. | Parent | 3/14/1985 | 3/27/1990 |
| Banc One Wisconsin Corporation | Parent | 1/15/1982 | 3/13/1985 |
| First Financial Group, Inc. | Parent | 12/31/1974 | 1/14/1982 |
| First Financial Group, Inc. | Parent | 12/17/1973 | 12/30/1974 |
| Janesville Investment Holding Company | Subsidary | 10/1/1989 | 12/7/1996 |
| First Financial Leasing Corporation | Subsidary | 12/31/1976 | 1/14/1982 |
| Arch Street Realty Corporation | Subsidary | 12/31/1976 | 12/30/1978 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One, Milwaukee, National Association | Buyer | 5,354,275 | Pooling of Interests | Discontinued | 12/8/1996 |
| Marine Tobacco Exchange Bank | Seller | 20,567 | Discontinued | 12/31/1982 | |
| Marine First Peoples Bank | Seller | 15,386 | Discontinued | 12/31/1982 |