Cognomen Seidlitz Wintersteiger (Seidlitz Wintersteiger 
) , in the entire world, is an extremely rare family name. The family name Seidlitz Wintersteiger is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Seidlitz Wintersteiger | Chile, Ecuador |