John C's parents were:
John Ratcliff 1785–1865
Mary Comer 1790–1852

John & siblings:
Elias Ratcliff 1809–1852
Jesse Ratcliff 1811–1891
Nancy Anne Ratcliff 1813–1872
Elizabeth Ratcliff 1815–1863
John C Ratcliff 1819–1888
Mary Ratcliff 1822–
Hannah Ratcliff 1824–1854
Jeremiah Ratcliff 1826–1863
William Ratcliff 1827–1897
Robert Ratcliff 1833–1919

Half-siblings from his father's second marriage to July Ann Pickens:
Jerry Ratcliff 1853–1917
Isabelle Ratcliff 1858–1908
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John married Nancy Brown in Ross Co, OH on June 20, 1839. Their children were:
Hannah Ratcliff 1842–1881
Sarah Ratcliff 1844–1905
Mary A Ratcliff 1846–
Thomas Ratcliff 1849–1934
Robert Ratcliff 1855–1884
Albert Ratcliff 1859–1900
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John & Nancy were in MO when their first child, Hannah, was born in 1842.

On September 12, 1850,
John and Nancy Rateliff, both age 30, lived in Moreau Township, Morgan Co, MO. John was a farmer & owned land valued at $1,000.
Household Members
John Rateliff 30 (born in OH)
Nancy Rateliff 30 (OH)
Children - all born in MO
Hannah Rateliff 8
Sarah Rateliff 6
Mary A Rateliff 4
Thomas Rateliff 1
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On September 4, 1860,
Jno C. & Nancy, ages 41, were living in Moreau Township, Morgan Co, MO. John was still farming. They owned land & personal estate valued at $4,000 & $890.
Household Members
Jno C Ratliff 41
Nancy Ratliff 41
Children - born in MO
Sarah Ratliff 16
Mary Ratliff 14
Thomas Ratliff 11
Robert Ratliff 6
Albert Ratliff 1

Jesse Connor 24 (Laborer - born in OH)
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On July 1, 1870,
John C. & Nancy Ratcliff, ages 51, were still living in Moreau Township, Morgan Co, MO. They had land and personal estate valued at $1,000 & $742. Their post office was in Versailles. John was still farming.
Household Members
John C Ratcliff 51
Nancy Ratcliff 51
Children:
Robert Ratcliff 15
Albert Ratcliff 11
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Nancy died Mar. 13, 1877.

On June 22/23, 1880,
John C. Ratcliff, age 60, widowed lived in Moreau Township, Morgan Co, MO. He was still farming.