| Relationships | Role | Relationship Start | Relationship End |
| First Chicago Nbd Corporation | Parent | 5/1/1978 | 4/1/1991 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One, Michigan | Buyer | 20,267,024 | Discontinued | 4/2/1991 |
| Relationships | Role | Relationship Start | Relationship End |
| First Chicago Nbd Corporation | Parent | 5/1/1978 | 4/1/1991 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One, Michigan | Buyer | 20,267,024 | Discontinued | 4/2/1991 |