Surname Thielbar-Blankenforth (Thielbar-Blankenforth 
) , around the world, is a very rare family name. The cognomen Thielbar-Blankenforth is characteristic of Western Europe, particularly Germany, where it is a very rare surname. Parts of the name also exists independently as a last name Thielbar, and a last name Blankenforth.
| VARIANT | COUNTRY |
|---|---|
| Thielbar-Blankenforth | Germany |