| Relationships | Role | Relationship Start | Relationship End |
| Northstar Bank | Parent | 5/20/2011 | 12/30/2011 |
| Treaty Oak Bank | Parent | 12/31/2009 | 5/19/2011 |
| Treaty Oak Bancorp, Inc. | Parent | 11/16/2006 | 12/30/2009 |
| Treaty Oak Bancorp, Inc. | Parent | 12/30/2004 | 11/15/2006 |
| Treaty Oak Holdings, Inc. | Parent | 9/8/2004 | 11/15/2006 |