| Relationships | Role | Relationship Start | Relationship End |
| Portigon Ag | Parent | 12/31/1980 | 12/30/1985 |
| Woma-Apparatebau Wolfgang Maasberg & Co. Gmbh | Subsidary | 12/31/1980 | 12/30/1985 |
| Relationships | Role | Relationship Start | Relationship End |
| Portigon Ag | Parent | 12/31/1980 | 12/30/1985 |
| Woma-Apparatebau Wolfgang Maasberg & Co. Gmbh | Subsidary | 12/31/1980 | 12/30/1985 |