| Relationships | Role | Relationship Start | Relationship End |
| Firstar Corporation Of Iowa | Parent | 12/31/1970 | 12/31/1992 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Firstar Information Services Corporation | Buyer | Discontinued | 1/1/1993 |
| Relationships | Role | Relationship Start | Relationship End |
| Firstar Corporation Of Iowa | Parent | 12/31/1970 | 12/31/1992 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Firstar Information Services Corporation | Buyer | Discontinued | 1/1/1993 |