Any other direct male line descendants down from John Andrews (abt.1679-1719) who tests BigY at FamilyTreeDNA could refine this even further.
Sources
Andrews family interviews/research
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B's formal name
e-mail address
birth location
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DNA Connections
It may be possible to confirm family relationships by comparing test results with B or other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree:
B Andrews:
Family Tree DNA Y-DNA Test 111 markers, haplogroup I-Y132621, FTDNA kit #472909
It is likely that these autosomal DNA test-takers will share some percentage of DNA with B: