| Relationships | Role | Relationship Start | Relationship End |
| Bokf, National Association | Parent | 6/7/1991 | 8/31/2001 |
| Bancoklahoma Corp. | Parent | 12/31/1970 | 6/6/1991 |
| Agbanc Of Oklahoma | Subsidary | 11/28/1977 | 1/1/1979 |
| Relationships | Role | Relationship Start | Relationship End |
| Bokf, National Association | Parent | 6/7/1991 | 8/31/2001 |
| Bancoklahoma Corp. | Parent | 12/31/1970 | 6/6/1991 |
| Agbanc Of Oklahoma | Subsidary | 11/28/1977 | 1/1/1979 |