When Johann Georg Kleine died in 1820 , his widow continued to run the shop with Henriette .
Amalie Kleine , Johann 's wife and Wilhelm Busch 's grandmother , kept a shop in which Busch 's mother Henriette assisted while her two brothers attended high school .
When Johann     died in 1820 , Wilhelm Busch 's widow continued to run the shop mother Henriette .
Amalie Kleine , Johann 's wife and Wilhelm Busch 's grandmother , kept a shop in which Busch 's mother Henriette assisted while her two brothers attended high school .