| Relationships | Role | Relationship Start | Relationship End |
| First Interstate Bancorp Of Texas, Inc. | Parent | 1/29/1988 | 12/11/1988 |
| Allied Bancshares, Inc. | Parent | 12/31/1985 | 1/28/1988 |
| Allied Mesquite Bancshares Inc | Parent | 12/31/1981 | 12/30/1985 |
| Mesquite Bancshares, Inc. | Parent | 6/29/1979 | 12/30/1981 |
| Equitable Company Of Texas, The | Parent | 11/22/1968 | 12/30/1970 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Wells Fargo Bank Texas, National Association | Buyer | 7,565,976 | Discontinued | 12/12/1988 |