| Relationships | Role | Relationship Start | Relationship End |
| Banc One Ohio Corporation | Parent | 1/1/1988 | 5/16/1997 |
| Bank One Corporation | Parent | 8/30/1968 | 12/31/1987 |
| Banc One Travel Corporation | Subsidary | 7/14/1987 | 5/16/1997 |
| Mansfield Tool & Die | Subsidary | 12/31/1984 | 6/30/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One, National Association | Buyer | 69,853,000 | Pooling of Interests | Discontinued | 5/17/1997 |
| Bank One, Ashland | Seller | 73,166 | Discontinued | 8/22/1988 | |
| The Peoples Bank | Seller | 60,896 | Discontinued | 11/1/1983 | |
| The Lucas State Bank | Seller | Discontinued | 5/1/1971 |