| Relationships | Role | Relationship Start | Relationship End |
| Bank One Corporation | Parent | 11/1/1996 | 7/31/1997 |
| Banc One Wisconsin Corporation | Parent | 3/28/1990 | 10/31/1996 |
| Marisub, Inc. | Parent | 3/14/1985 | 3/27/1990 |
| Banc One Wisconsin Corporation | Parent | 1/2/1980 | 3/13/1985 |
| Witrust Investment Holding Company | Subsidary | 9/16/1991 | 7/31/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One Trust Company, National Association | Buyer | 1,584,353 | Pooling of Interests | Discontinued | 8/1/1997 |