It seems likely that R D may stand for something, but on almost all records I have found for this individual he goes by R D.
Even his family members simply call him R D. [1]
Sources
↑ Samantha Johnson's recount of talking to direct descendants of this individual.
Find A Grave, database and images (https://www.findagrave.com : accessed 07 May 2019), memorial page for R D Bickle (14 Sep 1925–23 Nov 1984), Find A Grave Memorial no. 44303324, citing Andalusia Cemetery, Andalusia, Rock Island County, Illinois, USA ; Maintained by Maria Franks (contributor 46630565) .
Is R D your relative? Please don't go away! Login to collaborate or comment, or contact
the profile manager, or ask our community of genealogists a question.
Sponsored Search by Ancestry.com
DNA Connections
It may be possible to confirm family relationships with R D 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 some percentage of DNA with R D: