John married Agnetta Nelson in 1875 in Iowa, USA. Agnetta was born on 6 Jul 1846 in Norway; died on 11 Jun 1921 in Iowa, USA; was buried in 1921 in Monona, Clayton, Iowa, USA. [Group Sheet] [Family Chart]

1. Charles Albert Montgomery was born on 14 Oct 1875 in Luana, Clayton, Iowa, USA; died in 1956 in Sheldon, O'Brien, Iowa, USA; was buried in 1956 in Sheldon, O'Brien, Iowa, USA.
2. Frank Montgomery was born in 1878 in Luana, Clayton, Iowa, USA; died in 1946 in Iowa, USA; was buried in 1946 in Monona, Clayton, Iowa, USA.
3. Mary A Montgomery was born in 1880 in Luana, Clayton, Iowa, USA.
4. Elizabeth Montgomery was born on 1 Jul 1883 in Monona Twp., Clayton, Iowa.
5. George Montgomery was born on 9 Jun 1886 in Clayton, Iowa, United States; died on 5 Apr 1946 in Monona, Clayton, Iowa, United States; was buried in 1946 in Monona, Clayton, Iowa, United States.