| Relationships | Role | Relationship Start | Relationship End |
| Bokf, National Association | Parent | 12/16/1996 | 3/31/1997 |
| Southwest Trustcorp, Inc. | Parent | 11/13/1992 | 12/15/1996 |
| Bokf, National Association | Parent | 5/1/1986 | 11/12/1992 |
| Cavanal Hill Investment Management, Inc. | Subsidary | 1/1/1992 | 3/31/1997 |
| Southwest Trust Company, National Association | Subsidary | 7/21/1993 | 3/31/1997 |
| Bank Of Texas Trust Company, National Association | Subsidary | 11/30/1992 | 6/12/1994 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bokf, National Association | Buyer | 32,669,391 | Pooling of Interests | Discontinued | 4/1/1997 |