| Relationships | Role | Relationship Start | Relationship End |
| First Interstate Bancorp Of Texas, Inc. | Parent | 1/29/1988 | 12/11/1988 |
| Allied Bancshares, Inc. | Parent | 12/30/1985 | 1/28/1988 |
| Allied Irving Bancshares, Inc. | Parent | 9/30/1982 | 12/29/1985 |
| Irving American Bancshares Corp. | Parent | 12/31/1981 | 9/29/1982 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Wells Fargo Bank Texas, National Association | Buyer | 7,565,976 | Discontinued | 12/12/1988 |