| Relationships | Role | Relationship Start | Relationship End |
| Firstar Corporation Of Iowa | Parent | 5/10/1984 | 11/5/1995 |
| Mount Pleasant Capital Corporation | Subsidary | 12/10/1992 | 11/5/1995 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Firstar Bank Iowa, National Association | Buyer | 2,875,965 | Pooling of Interests | Discontinued | 11/6/1995 |