| Relationships | Role | Relationship Start | Relationship End |
| Texas Gulf Bancshares, Inc. | Parent | 8/26/1980 | 9/20/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Texas Gulf Bank, National Association | Buyer | 553,859 | Discontinued | 9/21/1990 |