I've indexed several different Carl/Chas. Winter (1888, 1912, 1922, 1923, 1927, 1930, 1932, 1945) death notices, obits., anniversaries, etc. found in Milwaukee's German newspapers, but no entries for "von Winter". There are about 300 entries for Winter in the current data.

Indexing Milwaukee's German newspapers continuously since 2007 ...
Gary Rebholz, compiler/editor
Milwaukee Wis.
gary.rebholz@gmail.com
"Milwaukee's German Newspapers; an index of death notices and related items" (1844-1950).