| Relationships | Role | Relationship Start | Relationship End |
| New Galveston Company, The | Parent | 5/1/1982 | 12/14/1989 |
| United States National Bancshares, Inc. | Parent | 10/22/1971 | 4/30/1982 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Cullen Center Bank & Trust | Buyer | 299,964 | Discontinued | 12/15/1989 |