| Relationships | Role | Relationship Start | Relationship End |
| M&I Bank Of Southern Wisconsin | Parent | 12/31/1976 | 12/31/1987 |
| Affiliated Bank Corporation | Parent | 3/31/1970 | 12/30/1976 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| M&I Bank Of Southern Wisconsin | Buyer | 2,704,312 | Discontinued | 1/1/1988 |