| Relationships | Role | Relationship Start | Relationship End |
| M&I Llc | Parent | 7/10/1985 | 10/31/1985 |
| Heritage Wisconsin Corporation | Parent | 12/31/1977 | 7/9/1985 |
| Heritage Wisconsin Corporation | Parent | 3/31/1974 | 12/30/1977 |
| Heritage Bank West Bend Building Corporation | Subsidary | 12/31/1980 | 7/9/1985 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| M&I First National Bank | Buyer | 350,341 | Discontinued | 11/1/1985 |