Richard J. Blackwell was born circa 1837 in Manitowoc County, Wisconsin. He died in 1894 in Iowa.
Richard married Rose F. McCall circa 1862 in Wisconsin. Rose F. McCall was born circa 1837 in Manitowoc County, Wisconsin. She died in 1913 in Iowa.
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Julia I. Blackwell was born about 1863 in Wisconsin. She died on 18 Jun 1951 in Bon Homme County, South Dakota.
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Mary Rachel Blackwell was born about 1865 in Manitowoc County, Wisconsin. She died circa 1865 in Manitowoc County, Wisconsin.
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Amanda A. Blackwell was born in 1869 in Wisconsin. She died on 8 Nov 1950 in Mitchell County, Iowa.
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Isaac S. Blackwell was born on 21 Oct 1872 in Wisconsin. He died on 21 Feb 1938 in Lafayette County, Wisconsin.
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Elizabeth C. Blackwell was born in 1875 in Manitowoc County, Wisconsin. She died in 1920 in Wabaunsee County, Kansas.
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Matthew Stephen Blackwell was born in 1879 in Wisconsin. He died in 1919 in South Dakota.
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Abraham H. Blackwell was born on 7 May 1882 in Manitowoc County, Wisconsin. He died in 1926 in South Dakota.
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