| Relationships | Role | Relationship Start | Relationship End |
| Boatmen's Bancshares Of Iowa, Inc. | Parent | 4/1/1992 | 12/31/1993 |
| First Interstate Of Iowa, Inc. | Parent | 7/29/1983 | 3/31/1992 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's Bank Iowa, National Association | Buyer | 743,261 | Discontinued | 1/1/1994 |