Frieda married Jacob D. Opp on 8 Nov 1923 in Eureka, McPherson County, South Dakota, USA. Jacob (son of Jacob D. Opp and Catherina Neuharth) was born on 23 Aug 1896 in Eureka, McPherson County, South Dakota, USA; died on 30 Jun 1973 in Eureka, McPherson County, South Dakota, USA. [Group Sheet] [Family Chart]

1. Priscilla Janae Opp was born on 15 Feb 1925 in Eureka, McPherson County, South Dakota, USA; died on 20 Jan 2011 in Aberdeen, Brown County, South Dakota, USA; was buried on 24 Jan 2011.
2. Gilbert Opp was born on 30 Jun 1926 in Eureka, McPherson County, South Dakota, USA; died on 23 Jun 2017 in Fergus Falls, Otter Tail County, Minnesota, USA; was buried in Eureka City Cemetery, Eureka, McPherson County, South Dakota, USA.
3. Hilmer L. Opp was born on 27 Sep 1928 in Mound City, Campbell County, South Dakota, USA; died on 17 Aug 2015 in Richfield, Hennepin County, Minnesota, USA; was buried in Fort Snelling National Cemetery, Hennepin County, Minnesota, USA.
4. Lorraine Opp
5. Milo Opp
6. Lawrence Opp
7. Reinhold Opp
8. Harry Opp was born on 20 Sep 1941 in Eureka, McPherson County, South Dakota, USA; died on 29 Jan 2018 in Underwood, Otter Tail County, Minnesota, USA; was buried in Saint James Catholic Cemetery, Maine, Otter Tail County, Minnesota, USA.
9. Gloria Opp
10. Geraldine Opp

John married Bertha Werre. [Group Sheet] [Family Chart]