| 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 | 12/31/1983 | 3/13/1985 |
| Banc One Wisconsin Corporation | Parent | 12/31/1970 | 12/30/1983 |
| Madison Investment Holding Company | Subsidary | 11/1/1989 | 12/7/1996 |
| 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 |
| Independence Bank Madison (National Association) | Seller | 27,689 | Discontinued | 5/18/1985 | |
| Commercial Marine Bank Of Madison | Seller | 31,339 | Discontinued | 11/1/1982 |