I would like to suggest record or fact checking for parents of William Gatewood.
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1880 Census Shows:
1880 US Census for William Gatewood Blevins
Parents are age Birthplace
AC Blevins 57 TN, US
Catherine Blevins 54 TN, US
household
George 24 TN, US son
Joseph 17 GA, US son
WG 12 TN, US son
Sarah 9 TN, US daughter
Eliza Lovlies 17 TN, US "Other"