"United States Census, 1840," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XHT2-715 : 20 August 2017), George Sizemore, Logan, Virginia, United States; citing p. 69, NARA microfilm publication M704, (Washington D.C.: National Archives and Records Administration, n.d.), roll 566; FHL microfilm 29,689.
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8DB-PVG : accessed 22 March 2016), George B Sizemore, Wyoming county, Wyoming, Virginia, United States; citing family 146, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
It may be possible to confirm family relationships with George 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 DNA with George: