| Relationships | Role | Relationship Start | Relationship End |
| Northern Trust Of Texas Corporation | Parent | 7/25/1986 | 8/31/1995 |
| Tanglewood Financial Corporation | Subsidary | 3/27/1991 | 8/31/1995 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Northern Trust Bank Of Texas National Association | Buyer | 1,055,722 | Acquisition | Discontinued | 9/1/1995 |