| Relationships | Role | Relationship Start | Relationship End |
| 1St Source Corporation | Parent | 12/2/1985 | 7/1/1987 |
| Bank One, National Association | Parent | 12/31/1976 | 12/31/1978 |
| 1St Source Bank Of Marshall County | Subsidary | 12/20/1984 | 12/1/1985 |
| Marshall County Bank & Trust Company | Subsidary | 9/12/1974 | 12/19/1984 |