| Relationships | Role | Relationship Start | Relationship End |
| Rbc Tax Credit Iv, Llc | Parent | 8/9/2004 | |
| Somerton Affordable Housing L.P. | Subsidary | 12/3/2004 | |
| Gaylord Residences, L.P. | Subsidary | 12/3/2004 | |
| Jefferson Davis Artist Lofts Limited Partnership | Subsidary | 12/3/2004 | |
| Juana Diaz Elderly Housing Limited Partnership | Subsidary | 12/3/2004 | |
| Nugent Square Partners, L.P. | Subsidary | 12/3/2004 | |
| Old Wellington Road Apartments Lp | Subsidary | 8/9/2004 | |
| Paseo Boricua Limited Partnership | Subsidary | 12/3/2004 | |
| Garfield Place Apartments, Ltd. | Subsidary | 11/24/2004 | 5/7/2015 |