| Relationships | Role | Relationship Start | Relationship End |
| Cottage Grove Bancorporation, Inc. | Parent | 6/1/1983 | 9/15/1989 |
| Mid America Bancorporation, Inc. | Parent | 12/31/1979 | 7/17/1981 |
| Mid America Bancorporation, Inc. | Parent | 12/31/1978 | 12/30/1979 |
| Mid America Bancorporation, Inc. | Parent | 12/31/1976 | 12/30/1978 |
| Mid America Bancorporation, Inc. | Parent | 1/12/1970 | 12/30/1976 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Bank National Association | Buyer | 35,554,951 | Discontinued | 9/16/1989 |