Fact: Census (1850) Cape Vincent, Jefferson, New York
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCYK-4JM : 9 November 2014), Benjamin Stedman in household of Luther Stedman, Cape Vincent, Jefferson, New York, United States; citing family 534, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
It may be possible to confirm family relationships with Benjamin 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 Benjamin: