| Relationships | Role | Relationship Start | Relationship End |
| Firstbank Of Illinois Co. | Parent | 10/31/1986 | 9/29/1991 |
| United Illinois Bancorporation, Inc. | Parent | 12/31/1979 | 10/30/1986 |
| United Illinois Bancorporation, Inc. | Parent | 12/31/1974 | 12/30/1979 |
| United Illinois Bancorporation, Inc. | Parent | 12/31/1970 | 12/30/1974 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| United Illinois Bank Of New Athens | Buyer | 188,715 | Discontinued | 9/30/1991 | |
| United Illinois Bank Of Troy | Seller | 31,117 | Discontinued | 6/25/1988 |