| Relationships | Role | Relationship Start | Relationship End |
| First Chicago Nbd Corporation | Parent | 3/1/1990 | 10/31/1990 |
| Union Bancorp Inc. | Parent | 7/1/1986 | 2/28/1990 |
| Union Bancorp Inc. | Parent | 10/1/1982 | 6/30/1986 |
| Union Bancorp, Inc. | Parent | 3/30/1973 | 9/30/1982 |
| Union Development Company | Subsidary | 9/10/1963 | 10/31/1990 |
| Lake States Mortgage Co | Subsidary | 12/31/1976 | 6/30/1986 |
| Ubatco Inc | Subsidary | 12/31/1976 | 6/30/1986 |
| Uni Lease Company | Subsidary | 12/31/1976 | 6/30/1986 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank One, Michigan | Buyer | 20,267,024 | Discontinued | 11/1/1990 | |
| Nbd Grand Valley Bank, National Association | Seller | 108,536 | Discontinued | 9/1/1987 |