Auer von Welsbach From Wikipedia the free encyclopedia Auer von Welsbach: Alois Auer, Ritter von Welsbach Carl Auer, Freiherr (Baron) von Welsbach, son of Alois See also[edit] Auer (surname) Auer (disambiguation) Welsbach Surname listThis page lists people with the surname Auer von Welsbach. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.