| Relationships | Role | Relationship Start | Relationship End |
| Rock Falls Bancshares, Inc. | Parent | 6/11/1984 | 12/8/1991 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mercantile Bank Of Sterling-Rock Falls National Association | Buyer | 162,066 | Discontinued | 12/9/1991 |