"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDZT-LJC : 17 October 2014), Robert W Goldsby in household of E A Goldsby, Tennessee, United States; citing p. 33, family 228, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 553,051.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDWS-DBY : 13 July 2016), Robert E Goldsby in household of Elvin E Goldsby, Jacksonville, Obion, Tennessee, United States; citing enumeration district ED 104, sheet 5B, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1273; FHL microfilm 1,255,273.
It may be possible to confirm family relationships with Robert by comparing test results with other carriers of his ancestors' Y-chromosome or 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 Robert: