"... Alois Smrz 1898 -?? ..."
It looks like your Roland may have died in May 1932 based on there being a death notice that month and indexed from the local German-American newspapers. Hoppe is a much more common surname in the area than Smerz, with 365+ Hoppe occurrences indexed in "Milwaukee's German Newspapers; an index of death notices and related items" (1844-1950).
Indexing Milwaukee's German newspapers continuously since 2007 ...
Gary Rebholz, originator/compiler/editor, Milwaukee Wis.
gary.rebholz@gmail.com