| Relationships | Role | Relationship Start | Relationship End |
| First Interstate Bancorp Of Texas, Inc. | Parent | 1/29/1988 | 9/30/1988 |
| Allied Bancshares, Inc. | Parent | 5/1/1986 | 1/28/1988 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Interstate Bancorp Of Texas, Inc. | Buyer | Discontinued | 10/1/1988 |