1880 census of Portage St Joseph co Indiana enumerated Simon "Purncker" 55 b Germany farmer and wife Henrietta, 59;
son John C "Purncker" married Anna M Muessel St Joseph co Indiana, she was born in Indiana; a lot of Muessels in Portage 1870-1880s;
This Simon died before 27 Aug 1892 in St Joseph co Indiana, will was proved before that date, widow Amelia H named as executrix--
per St Joseph co Indiana genweb, South Bend Weekly Tribune. Simon also listed in St Joseph co will index of South Bend Area Genealogical Society.
You might want to contact them [sbags.org] if you think this might be your Simon.