| Relationships | Role | Relationship Start | Relationship End |
| Banc One Wisconsin Corporation | Parent | 3/28/1990 | 12/7/1996 |
| Marisub, Inc. | Parent | 3/5/1987 | 3/27/1990 |
| Wisconsin Investment Holding Company | Subsidary | 10/1/1989 | 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 |
| Bank One, Kenosha, National Association | Seller | 355,495 | Pooling of Interests | Discontinued | 12/1/1995 |
| Marine Bank South, National Association | Seller | 275,563 | Discontinued | 3/5/1987 |