Frederick Simpson (Parents) was born in 1866 in Iowa. He died on 20 Aug 1933 in Minnehaha County, South Dakota.
Frederick married Henrietta E. Harding in 1890 in Jefferson County, Iowa. Henrietta E. Harding was born in 1870 in Jefferson County, Iowa. She died on 30 Sep 1952 in Minnehaha County, South Dakota.
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Edwin Adam Simpson was born in 1893 in Jefferson County, Iowa. He died on 6 Aug 1935 in Kansas.
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Grace C. Simpson was born on 8 Dec 1896 in South Dakota. She died on 14 Jan 1969 in Kansas.
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Barbara M. Simpson was born on 5 Mar 1899 in Minnehaha County, South Dakota. She died on 7 Aug 1985 in Osborne County, Kansas.
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William L. Simpson was born in 1899 in Minnehaha County, South Dakota. He died on 17 Mar 1943 in Osborne County, Kansas.