| Relationships | Role | Relationship Start | Relationship End |
| Texas Commerce Bancshares, Inc. | Parent | 1/17/1975 | 6/20/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Texas Commerce Bank - Rio Grande Valley, National Association | Buyer | 743,364 | Discontinued | 6/21/1990 | |
| National Bank Of Commerce Of Brownsville | Seller | 34,694 | Failure | 7/14/1989 |