| Relationships | Role | Relationship Start | Relationship End |
| Banc One Illinois Corporation | Parent | 12/22/1992 | 2/14/1997 |
| Bank One, Peoria | Parent | 9/1/1992 | 1/2/1994 |
| Banc One Illinois Corporation | Parent | 9/1/1992 | 12/21/1992 |
| Jefferson Bancorp, Inc. | Parent | 6/13/1980 | 8/31/1992 |
| Keystone Consolidated Industries, Inc. | Parent | 12/31/1970 | 5/9/1980 |
| Bank One, Peoria | Subsidary | 9/1/1992 | 1/2/1994 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One, Illinois, National Association | Buyer | 4,732,793 | Pooling of Interests | Discontinued | 2/15/1997 |