| Relationships | Role | Relationship Start | Relationship End |
| Nb Holdings Corporation | Parent | 6/30/2007 | 10/1/2008 |
| Nb Holdings Corporation | Parent | 8/16/1997 | 6/29/2007 |
| Boatmen's Bancshares Of Iowa, Inc. | Parent | 4/1/1992 | 8/15/1997 |
| First Interstate Of Iowa, Inc. | Parent | 8/11/1977 | 3/31/1992 |