Frederick married Esther Irene Ketterling on 5 Nov 1939 in McPherson County, South Dakota, USA. Esther (daughter of George August Ketterling and Karolina Guthmiller) was born on 19 Dec 1921 in Hillsview, McPherson County, South Dakota, USA; died on 26 Oct 2016 in Ipswich, Edmunds County, South Dakota, USA. [Group Sheet] [Family Chart]

1. Mable Mae Schock was born on 13 Nov 1941 in Long Lake, McPherson County, South Dakota, USA; died on 21 Jan 2006 in Fridley, Hennepin County, Minnesota, USA; was buried in Sunset Memorial Gardens, Aberdeen, Brown County, South Dakota, USA.
2. Schock
3. Schock
4. Robert Freddie Schock was born on 22 Oct 1948 in Eureka, McPherson County, South Dakota, USA; died on 14 Oct 1969 in Aberdeen, Brown County, South Dakota, USA.