Johnson Co. Illinois

Johnson Co. IL founded in 1812 at the southern tip of Illinois.
  • 89 members

Y-DNA

  • Members' STR results for Y-111 and below, haplogroups, and subgroups, with the option to view colorized differences
  • Map
    Map of group member locations
  • Member haplogroups and SNP test results
  • Time Tree view of members' and subgroups Big Y results
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