John Cox is estimated as born about 1740 based on his marriage. He is listed in various online family trees as born about 1742 in Pennsylvania [now United States], son of Samuel Cox, but no source has been identified for this.
John Cox married Mary Ferguson on 1 Nov 1766 in Halifax, Virginia.[1]
Their children included:
Mary Cox, daughter of John Cox and Mary Ferguson, born 1771 in Virginia, married Samuel Jennings.[2]
Sources
↑Virginia Marriages, 1785-1940, database, FamilySearch, John Cox and Mary Farguson, 01 Nov 1766; citing Halifax, Virginia, reference P2; FHL microfilm 31,918.
↑ Mary Cox in #1136, Samuel Jennings, in "A genealogical history of the Jennings Families in England And America, Vol II - The American Familes", by William Henry Jennings. (Colubus Ohio, 1899). Ancestry Record 61157 #674023
Cox-1733 was started through the import of The Sammons Family Tree.ged on Jun 9, 2011 by Steve Sammons.
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DNA Connections
It may be possible to confirm family relationships with John by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with John: