| Relationships | Role | Relationship Start | Relationship End |
| First Blackwell Bancshares, Inc. | Parent | 12/31/1984 | 8/29/1991 |
| First Blackwell Bancshares, Inc. | Parent | 4/7/1981 | 12/30/1984 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Central National Bank & Trust Co., Of Enid | Buyer | 591,860 | Failure | 8/30/1991 |