1st married: Ola Ashley Shofner Conger (1870 - 1923)
Sources
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MGXS-J4H : accessed 29 November 2015), Robert A Conger, Civil District 5, Lincoln, Tennessee, United States; citing enumeration district (ED) ED 71, sheet 5B, NARA microfilm publication T624 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,375,523.
"Tennessee Death Records, 1914-1955," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N9BB-QJ3 : accessed 29 November 2015), Robert Alonzo Conger, 27 Feb 1951; citing Cemetery, Lincoln County, Tennessee, cn3340, State Library and Archives, Nashville; FHL microfilm 2,372,445.