| Relationships | Role | Relationship Start | Relationship End |
| First Bancshares Of Texas, Inc. | Parent | 4/19/1982 | 3/30/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Bank Of Texas | Buyer | 166,842 | Discontinued | 3/31/1989 | |
| National Security Bank | Seller | 8,803 | Failure | 4/17/1982 |