| Relationships | Role | Relationship Start | Relationship End |
| International Bancshares Corporation | Parent | 12/3/2008 | |
| Emerald Galveston Holdings Llc | Subsidary | 7/1/2010 | |
| Sapphire Sp Holdings, Llc | Subsidary | 5/31/2012 |
| Relationships | Role | Relationship Start | Relationship End |
| International Bancshares Corporation | Parent | 12/3/2008 | |
| Emerald Galveston Holdings Llc | Subsidary | 7/1/2010 | |
| Sapphire Sp Holdings, Llc | Subsidary | 5/31/2012 |