Styles, Marshall L. Marmaduke Lamb & Wife Orpha Rollins of Greene County, Tennessee: Records of Their Descendants from Eastern Tennessee to Northeastern Georgia and to Western North Carolina, from 1793 to the Present Day. 2011 & 2012 ed. Marshall L Styles, 2012.
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCDX-59B : 12 April 2016), Marmaduke Lamb, Greene county, part of, Greene, Tennessee, United States; citing family 1167, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
It may be possible to confirm family relationships with Marmaduke 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 Marmaduke: