| Relationships | Role | Relationship Start | Relationship End |
| The Northern Trust Company | Parent | 9/30/1984 | 6/30/1986 |
| The Northern Trust Company | Parent | 9/30/1983 | 9/29/1984 |
| The Northern Trust Company | Parent | 12/31/1974 | 9/29/1983 |
| Northern Trust Corporation | Parent | 9/30/1977 | 9/29/1978 |