| Relationships | Role | Relationship Start | Relationship End |
| Mercantile Bancorporation Incorporated Of Illinois | Parent | 2/17/1987 | 5/19/1988 |
| First Bancshares Corporation Of Illinois | Parent | 12/30/1983 | 2/16/1987 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mercantile Bank Of Illinois | Buyer | 640,775 | Discontinued | 5/20/1988 |