| Relationships | Role | Relationship Start | Relationship End |
| Boatmen's Bancshares, Inc. | Parent | 12/9/1988 | 7/31/1989 |
| Centerre Bancorporation | Parent | 10/19/1970 | 12/8/1988 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's Life Insurance Company | Buyer | Discontinued | 8/1/1989 |