John married Apollonia Mueller on 24 Apr 1917 in Kewaskum, Washington County, Wisconsin, USA. Apollonia (daughter of Ägidius Müller Mueller and Anna Maria Thelen) was born on 6 Oct 1895 in Fond du Lac County, Wisconsin, USA; died on 5 Oct 1949 in Kewaskum, Washington County, Wisconsin, USA; was buried in New Holy Trinity Cemetery, Kewaskum, Washington County, Wisconsin, USA. [Group Sheet] [Family Chart]

1. Martha Apollonia Volm was born on 14 Oct 1918 in Wisconsin, USA; died on 24 Apr 1919 in Wisconsin, USA.
2. Evelyn Rose Volm was born on 2 Dec 1920 in Ashford, Fond du Lac County, Wisconsin, USA; died on 23 Oct 2013 in Fond du Lac County, Wisconsin, USA.
3. Helen Barbara Volm
4. Marjorie Lorraine Volm was born on 18 Dec 1936; died on 24 Dec 1969.
5. Alois Volm