John married Rosburg, Wilhelmine "Eliza" Henriette on 28 Feb 1891 in Mineola, Mills, Iowa, USA. Wilhelmine (daughter of Rosburg, Ernst August Frederick and Konn, Maria Caroline Dorothea) was born on 30 May 1863 in Harmsdorf, Ostholstein, Schleswig-Holstein, Germany; died on 4 Jul 1925 in Mills, Iowa, USA; was buried after 4 Jul 1925 in Mineola Cemetery, Mineola, Mills, Iowa, USA. [Group Sheet] [Family Chart]

1. Schark, Henry Arthur was born on 12 Nov 1884 in Mills, Iowa, USA; died on 26 Oct 1959 in Council Bluffs, Pottawattamie, Iowa, USA; was buried after 26 Oct 1959 in Mineola Cemetery, Mineola, Mills, Iowa, USA.
2. Schark, Hattie Velma was born on 28 May 1892 in Balfour, Mills, Iowa, USA; died on 8 Apr 1965 in Council Bluffs, Pottawattamie, Iowa, USA; was buried after 8 Apr 1965 in Saint Pauls Evangelical Country Church Cemetery, Dumfries, Pottawattamie, Iowa, USA.