| Relationships | Role | Relationship Start | Relationship End |
| Boatmen's Bancshares, Inc. | Parent | 10/1/1987 | 9/7/1995 |
| Boatmen's Bancshares, Inc. Of Illinois | Parent | 12/31/1979 | 9/30/1987 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| The Boatmen's National Bank Of St. Louis | Buyer | 11,112,811 | Pooling of Interests | Discontinued | 9/8/1995 |