| Relationships | Role | Relationship Start | Relationship End |
| Banc One Ohio Corporation | Parent | 1/1/1988 | 5/16/1997 |
| Bank One Corporation | Parent | 9/16/1974 | 12/31/1987 |
| United Dairy Farmers Investment Company | Parent | 6/1/1967 | 9/15/1974 |
| United Dairy Farmers Investment Company | Parent | 6/1/1966 | 5/31/1967 |
| Athens Service Corporation | Subsidary | 9/1/1987 | 1/31/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One, National Association | Buyer | 69,853,000 | Pooling of Interests | Discontinued | 5/17/1997 |
| The Tri County Bank | Seller | 5,941 | Discontinued | 1/1/1984 | |
| Pomeroy Court St Branch | Seller | Discontinued | 7/1/1983 | ||
| The Citizens State Bank | Seller | 10,046 | Discontinued | 8/2/1982 | |
| Bank Of Athens National Banking Company | Seller | Discontinued | 11/13/1962 |