| Relationships | Role | Relationship Start | Relationship End |
| Old Kent Financial Corporation | Parent | 8/1/1986 | 11/2/1986 |
| American National Holding Company | Parent | 1/31/1972 | 7/31/1986 |
| Great Lakes Computer Center Inc | Subsidary | 11/30/1980 | 7/31/1986 |
| Great Lakes Computer Center Inc | Subsidary | 12/31/1976 | 11/29/1980 |
| Ambank Leasing Corporation | Subsidary | 12/31/1976 | 10/17/1977 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Old Kent Bank-Southwest | Buyer | 1,208,738 | Discontinued | 11/3/1986 | |
| The First National Bank Of Lawton | Seller | 9,762 | Discontinued | 3/31/1978 | |
| First State Bank Of Mendon | Seller | Discontinued | 12/20/1967 | ||
| Home State Bank | Seller | Discontinued | 6/1/1965 | ||
| Home Savings Bank | Seller | Discontinued | 4/2/1963 | ||
| Plainwell Bank | Seller | Discontinued | 5/21/1962 |