| Relationships | Role | Relationship Start | Relationship End |
| Cullen/Frost Bankers, Inc. | Parent | 6/1/2013 | |
| New Galveston Company, The | Parent | 6/30/2007 | 5/31/2013 |
| New Galveston Company, The | Parent | 5/22/1990 | 6/29/2007 |
| Cullen/Frost Bankers, Inc. | Parent | 5/7/1973 | 5/21/1990 |
| Nbc Bank - Harlandale | Subsidary | 5/7/1973 | 12/24/1974 |