John married Aganes Heiser in 1917. Aganes (daughter of Mathias Heiser and Katharina Böhm) was born on 18 Dec 1899 in Richardton, Stark County, North Dakota, USA; died in 0Oct 1918 in Laurel, Yellowstone County, Montana, USA; was buried in Saint Anthony Cemetery, Laurel, Yellowstone County, Montana, USA. [Group Sheet] [Family Chart]