| Relationships | Role | Relationship Start | Relationship End |
| First Oklahoma Bancorporation, Inc. | Parent | 12/31/1980 | 12/31/1984 |
| The First National Bank And Trust Company Of Oklahoma City | Parent | 12/31/1970 | 12/30/1980 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Oklahoma Bancorporation, Inc. | Buyer | Discontinued | 1/1/1985 |