| Relationships | Role | Relationship Start | Relationship End |
| University National Bancshares Of San Antonio, Inc. | Parent | 6/30/1981 | 8/3/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Frost Bank | Buyer | 29,633,441 | Failure | 8/4/1989 |
| Relationships | Role | Relationship Start | Relationship End |
| University National Bancshares Of San Antonio, Inc. | Parent | 6/30/1981 | 8/3/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Frost Bank | Buyer | 29,633,441 | Failure | 8/4/1989 |