| Relationships | Role | Relationship Start | Relationship End |
| Mercantile Bank Of St. Louis National Association | Parent | 6/21/1997 | 1/7/2000 |
| Mark Twain Bank | Parent | 11/9/1989 | 6/20/1997 |
| Relationships | Role | Relationship Start | Relationship End |
| Mercantile Bank Of St. Louis National Association | Parent | 6/21/1997 | 1/7/2000 |
| Mark Twain Bank | Parent | 11/9/1989 | 6/20/1997 |