| Relationships | Role | Relationship Start | Relationship End |
| Bank One, National Association | Parent | 12/31/1976 | 12/30/1980 |
| First Chicago Corporation | Parent | 5/10/1973 | 12/30/1976 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One International Corporation | Buyer | Discontinued | 12/31/1980 |