| Relationships | Role | Relationship Start | Relationship End |
| The First National Bank And Trust Company Of Oklahoma City | Parent | 10/4/1982 | 7/14/1986 |
| Oklahoma National Banshares, Inc. | Parent | 12/29/1978 | 10/3/1982 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's First National Bank Of Oklahoma | Buyer | 1,592,266 | Failure | 7/15/1986 |