| Relationships | Role | Relationship Start | Relationship End |
| Hibernia Corporation | Parent | 3/15/1998 | 8/30/2001 |
| Firstshares Intermediate Holding Corporation | Parent | 12/17/1996 | 3/14/1998 |
| Firstshares Of Texas, Inc. | Parent | 1/1/1989 | 12/16/1996 |
| First National Bank | Parent | 10/3/1976 | 12/31/1988 |
| First National Bank | Parent | 12/31/1970 | 10/2/1976 |
| First National Bank | Parent | 3/4/1969 | 12/30/1970 |
| Security State Bank | Subsidary | 12/31/1970 | 10/2/1976 |
| Security State Bank | Subsidary | 9/10/1968 | 12/30/1970 |