| Relationships | Role | Relationship Start | Relationship End |
| Keycorp | Parent | 4/1/1983 | 12/16/1983 |
| Deutsche Bank Trust Corporation | Parent | 7/31/1969 | 3/31/1983 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Key Bank Of Western New York National Association | Buyer | 7,408,551 | Discontinued | 12/17/1983 | |
| Bankers Trust Company Of Rochester | Seller | 52,151 | Discontinued | 10/30/1976 | |
| Olymer State Bank | Seller | Discontinued | 1/25/1963 |