"Vermont Births and Christenings, 1765-1908," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F8LV-4Z2 : 12 December 2014), Curtis A Lamb, 11 Jun 1803; citing TOWNSHEND TWP,WINDHAM,VERMONT, reference ; FHL microfilm unknown.
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCJK-K65 : 12 April 2016), Curtis Lamb, Kansas, United States; citing p. 3, family 20, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 545,932.
It may be possible to confirm family relationships with Curtis 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 Curtis: