For anyone returning to this research, there are Hoelsken family notices, and at least one obit., for Herman, Helena, Edward, and an Alfred indexed in the resource called "Milwaukee's German Newspapers; an index of death notices and related items" (1844-1950).

Indexing Milwaukee's German newspapers continuously since 2007 ...
Gary Rebholz, compiler/editor
Milwaukee Wis.
gary.rebholz@gmail.com