| Relationships | Role | Relationship Start | Relationship End |
| Banc One Ohio Corporation | Parent | 1/1/1988 | 12/6/1991 |
| Bank One Corporation | Parent | 4/30/1971 | 12/31/1987 |
| Banc One Wapakoneta Service Corporation | Subsidary | 12/9/1987 | 2/1/1991 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One, Lima, National Association | Buyer | 804,615 | Discontinued | 12/7/1991 | |
| Home Bank | Seller | Discontinued | 8/1/1961 |