| Relationships | Role | Relationship Start | Relationship End |
| Gs Advisors Vi Aiv, Ltd. | Parent | 9/21/2008 | |
| Umbrellastream Limited Partnership Incorporated | Subsidary | 8/14/2009 | |
| Gscp Vi Parallel Aiv Navi, Ltd. | Subsidary | 4/20/2011 | |
| Umbrellastream General Partner Limited | Subsidary | 9/21/2008 | |
| Gs Lux Debt Holdings S.A.R.L. | Subsidary | 9/21/2008 | 12/21/2012 |