| Relationships | Role | Relationship Start | Relationship End |
| Banc One Wisconsin Corporation | Parent | 3/28/1990 | 12/7/1996 |
| Marisub, Inc. | Parent | 3/15/1985 | 3/27/1990 |
| Independence Bank Group, Inc. | Parent | 12/31/1980 | 3/14/1985 |
| Independence Bank Group, Inc. | Parent | 8/2/1971 | 12/30/1980 |
| Elkhorn 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 |
| Burlington Marine Bank | Seller | 35,777 | Discontinued | 9/28/1985 |