| Relationships | Role | Relationship Start | Relationship End |
| First Interstate Bancorp Of Texas, Inc. | Parent | 1/29/1988 | 11/13/1988 |
| Allied Bancshares, Inc. | Parent | 12/31/1982 | 1/28/1988 |
| Allied Bancshares, Inc. | Parent | 12/31/1977 | 12/30/1982 |
| Allied Bancshares, Inc. | Parent | 12/31/1976 | 12/30/1977 |
| Allied Bancshares, Inc. | Parent | 12/29/1972 | 12/30/1976 |
| First Interstate Capital Corp. Of Texas | Subsidary | 12/31/1981 | 1/28/1988 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Wells Fargo Bank Texas, National Association | Buyer | 7,565,976 | Discontinued | 11/14/1988 | |
| Allied Nederland Bank | Seller | 43,668 | Discontinued | 10/1/1987 |