| Relationships | Role | Relationship Start | Relationship End |
| First Banks America, Inc. | Parent | 2/27/1981 | 3/31/1987 |
| Interfirst Securities Co In Dallas | Parent | 12/31/1972 | 4/18/1973 |
| Interfirst Securities Co In Dallas | Parent | 7/22/1963 | 12/30/1972 |
| Interfirst Securities Co In Dallas | Parent | 4/22/1963 | 7/21/1963 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Banctexas Dallas National Association | Buyer | 340,938 | Discontinued | 4/1/1987 |