| Relationships | Role | Relationship Start | Relationship End |
| Michigan National Corporation | Parent | 8/19/1989 | 8/31/1994 |
| Howland Bancshares, Inc. | Parent | 9/1/1982 | 8/18/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| International Bank Of Commerce | Buyer | 9,855,915 | Discontinued | 9/1/1994 | |
| Bay City Bank & Trust Co. | Seller | 79,609 | Failure | 8/31/1990 |