To sound the
� in
Sch�nauer, pucker as if you're going to say "oh," but say
a as in
say, and you'll have it close. (The
oe is the American substitute for the German
�.)
"Shaynauer" and "Shownauer" are common American near-misses. "Shernauer" is close to right.
Oehler is an Americanization of the German �hler, and my friend Ken's American pronunciation is AY-ler, not OH-ler.
Now go to work on
G�ring! 
