"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHCW-Y8H : 17 October 2014), Nelson Drouillard in household of Robert Drouillard, Michigan, United States; citing p. 23, family 151, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,190.
"Ohio, County Death Records, 1840-2001," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:F6F5-G5C : 13 December 2014), Nelson Drouillard in entry for Drouillard, 09 Mar 1907; citing Death, Toledo, Lucas, Ohio, United States, source ID rn 13279, County courthouses, Ohio; FHL microfilm 1,653,151.
It may be possible to confirm family relationships with Nelson 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 Nelson: