| |
| Denver, CO | Ellen Haxthausen |
| Dawsonville, GA | Valeria Haxthausen |
| Naperville, IL | Ove Haxthausen |
| Baton Rouge, LA | Elizabeth Haxthausen Linda Haxthausen Louis Haxthausen |
| Lake Charles, LA | Jacob Haxthausen Jake Haxthausen Katherine Haxthausen Linda Haxthausen Louis Haxthausen |
| Williamstown, MA | Charles Haxthausen Chas Haxthausen Mark Haxthausen |
| Clayton, NC | Niels Haxthausen |
| Princeton, NJ | Niels Haxthausen |
| Brooklyn, NY | Carl Haxthausen Ove Haxthausen |
| New York, NY | Bruce Haxthausen Christa Haxthausen Eric Haxthausen Louise Haxthausen Ove Haxthausen |
| Austin, TX | Christa Haxthausen |
| Colleyville, TX | Mary Haxthausen |
| Houston, TX | Mary Haxthausen |
| Arlington, VA | Eric Haxthausen |
| San Carlos, CA | Lee Haxthausen |