| Relationships | Role | Relationship Start | Relationship End |
| First Interstate Bancorp Of Texas, Inc. | Parent | 11/14/1988 | 8/19/1989 |
| First Interstate Bancorp Of Texas, Inc. | Parent | 1/29/1988 | 11/13/1988 |
| Allied Bancshares, Inc. | Parent | 5/31/1984 | 1/28/1988 |
| First Interstate Bank Of South Austin | Subsidary | 5/31/1984 | 11/13/1988 |
| First Interstate Bank Of North Austin | Subsidary | 5/31/1984 | 11/13/1988 |