| Relationships | Role | Relationship Start | Relationship End |
| Pyramid Holdings B.V. | Parent | 10/1/1992 | 12/30/1999 |
| Pyramid Holdings B.V. | Parent | 6/1/1990 | 9/30/1992 |
| Telereit Holdings Ab | Subsidary | 8/1/1998 | 12/30/1999 |
| Gunda Vermoegensverwaltungagesellschaft Mbh | Subsidary | 10/1/1992 | 9/29/1994 |