| Relationships | Role | Relationship Start | Relationship End |
| Bank One, Texas, National Association | Parent | 7/6/1989 | 12/30/1994 |
| Riverbend Bank | Subsidary | 2/2/1994 | 12/30/1994 |
| Dayton State Bank | Subsidary | 6/10/1994 | 12/30/1994 |
| City National Bancshares, Inc. | Subsidary | 7/2/1991 | 12/30/1991 |
| Heritage Bankshares, Inc. | Subsidary | 7/2/1991 | 12/18/1991 |