| Relationships | Role | Relationship Start | Relationship End |
| Commerzbank Aktiengesellschaft | Parent | 12/31/1980 | 9/11/1989 |
| Deutsche Bank Aktiengesellschaft | Parent | 12/31/1980 | 8/27/1989 |
| Didier-Werke Ag | Subsidary | 12/31/1980 | 8/27/1989 |
| Relationships | Role | Relationship Start | Relationship End |
| Commerzbank Aktiengesellschaft | Parent | 12/31/1980 | 9/11/1989 |
| Deutsche Bank Aktiengesellschaft | Parent | 12/31/1980 | 8/27/1989 |
| Didier-Werke Ag | Subsidary | 12/31/1980 | 8/27/1989 |