| Relationships | Role | Relationship Start | Relationship End |
| Bank One, Texas, National Association | Parent | 1/1/1990 | 12/30/1994 |
| Mbank Houston, National Association | Parent | 12/31/1984 | 3/28/1989 |
| Mbank Dallas, National Association | Parent | 3/31/1980 | 12/30/1984 |
| Relationships | Role | Relationship Start | Relationship End |
| Bank One, Texas, National Association | Parent | 1/1/1990 | 12/30/1994 |
| Mbank Houston, National Association | Parent | 12/31/1984 | 3/28/1989 |
| Mbank Dallas, National Association | Parent | 3/31/1980 | 12/30/1984 |