| Relationships | Role | Relationship Start | Relationship End |
| Portigon Ag | Parent | 3/29/1989 | 9/25/1997 |
| Dresdner Bank Aktiengesellschaft | Parent | 12/31/1995 | 8/31/1997 |
| Deutsche Bank Aktiengesellschaft | Parent | 12/31/1991 | 3/31/1997 |
| Dresdner Bank Aktiengesellschaft | Parent | 12/31/1991 | 12/30/1995 |