| Relationships | Role | Relationship Start | Relationship End |
| Mercantile Bancorporation Inc. | Parent | 2/1/1972 | 11/13/1986 |
| Facilities Realty Company | Subsidary | 11/23/1984 | 11/13/1986 |
| Mbtc Services Inc. | Subsidary | 7/18/1985 | 11/13/1986 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| 1101 Walnut Branch | Buyer | Discontinued | 11/14/1986 | ||
| Peoples Mercantile Bank | Seller | 55,583 | Discontinued | 11/23/1984 |