"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2ZL-PRD : accessed 28 November 2018), Orval Fiscus in household of Elijah Fiscus, Fall River, Wilson, Kansas, United States; citing enumeration district (ED) ED 217, sheet 8A, family 151, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 459; FHL microfilm 1,374,472.
Orval E. Fiscus (1901-1974) on Find A Grave: Memorial #59696340 retrieved 28 November 2018
It may be possible to confirm family relationships with Orval 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 Orval: