Jim Sims

Making genetic genealogy more understandable...

Medlock Surname Project


I recruited a maternal cousin of mine to participate in the Medlock DNA Project, which traces the biological fathers of men backwards in time using Y-chromosome DNA. The Medlock DNA Project is affiliated with the FamilyTree DNA Company of Houston, Texas. My cousin's kit number in the DNA study is #14350. His known, documented male Arnold ancestors are:

Generation Father

  1. Thomas Medlock (ca. 1807 SC or NC - ca. 1880 TX)
  2. John Copal Medlock (ca. 1846 Houston Co., TX - 1919 Franklin Co., AR)
  3. James Thomas Medlock (ca. 1871 AR - ?)
  4. John Franklin Medlock

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