One of the famous Schallerts (William) was born in Los Angeles, California.
Another (Richard) was born in "Brand in Voralberg", which may or may not be in Austria. So far, that's all my search has dredged up. Sorry.
Jablonski is a ethnic Polish surname.
English
England areas such as Cumbria, Derbyshire, County Durham, Warwickshire, and Worcestershire
it is of German origin
germany
What is the ethnic origin of the surname Menefee?
Jablonski is a ethnic Polish surname.
The name is Germanic in origin.
iraq
Czech
Latin
English
English
Greek
African
Finnish or Karelian
With German decendants