| Relationships | Role | Relationship Start | Relationship End |
| Boatmen's Bancshares Of Iowa, Inc. | Parent | 4/1/1992 | 10/14/1994 |
| First Interstate Of Iowa, Inc. | Parent | 2/26/1992 | 3/31/1992 |
| Perry Development Company | Parent | 12/31/1982 | 2/25/1992 |
| Perry Development Company | Parent | 12/31/1979 | 12/30/1982 |
| Perry Development Company | Parent | 12/31/1978 | 12/30/1979 |
| Perry Development Company | Parent | 12/31/1974 | 12/30/1978 |
| Perry Development Company | Parent | 12/31/1970 | 12/30/1974 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's Bank Iowa, National Association | Buyer | 743,261 | Discontinued | 10/15/1994 |