Last name Groth-Tonberge (Groth-Tonberge 
) , around the world, is an extremely rare family name. The last name Groth-Tonberge is characteristic of Western Europe, particularly Germany, where it is an extremely rare surname. Parts of the name also exists independently as a last name Groth, and a last name Tonberge.
| VARIANT | COUNTRY |
|---|---|
| Groth-Tonberge | Germany |