Hello,
This is what I know...so far
My grandfather was a cronk, born in 1905-unsure where. He was a rancher around Sioux Falls, SD. He had 4 children,
G1930,B1933,G1947, and B1950. His wife was born in 1910, unsure where. Possible first daughter married a reed in 1952, had 3 children B1954,G1956,G1958