| Relationships | Role | Relationship Start | Relationship End |
| Bank One Corporation | Parent | 2/28/1998 | 6/26/2000 |
| Banc One Louisiana Corporation | Parent | 1/2/1996 | 2/27/1998 |
| Premier Bancorp, Incorporated | Parent | 1/17/1986 | 1/1/1996 |
| Terrebonne Corporation, The | Parent | 6/21/1976 | 1/16/1986 |