| Relationships | Role | Relationship Start | Relationship End |
| Boatmen's Bancshares, Inc. | Parent | 8/9/1974 | 12/29/1983 |
| U. N. Bancshares, Inc. | Parent | 12/21/1970 | 8/8/1974 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's Bank Of Southern Missouri | Buyer | 1,297,761 | Discontinued | 12/30/1983 |