↑ Find A Grave, database and images (https://www.findagrave.com : accessed 10 March 2018), memorial page for Robert Gant (1800–12 Sep 1853), Find A Grave Memorial no. 25320926, citing New Palestine Church Cemetery, New Palestine, Randolph County, Illinois, USA ; Maintained by Barbie Gant (contributor 48532709) 
It may be possible to confirm family relationships with Robert 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 Robert: