DNA Descendants View for Mary Catherine (Hellen) Adams

Here are the inheritors of Mary Catherine (Hellen) Adams's mitochondrial DNA and X chromosome DNA. (For autosomal DNA, see Mary's full descendants list.) Living descendants could be tested to scientifically confirm family relationships back to Mary. Descendants who have already taken the necessary DNA test are highlighted.   more information Help

Mitochondrial DNA

A mother passes her mitochondrial DNA to all her children. Her daughters can then pass it down to their children. Here are up to 10 generations of Mary's mitochondrial DNA descendants.   more information Help

  1. Mary Louisa (Adams) Johnson DNA ancestors descendants (1820s - 1850s)
    1. Mary Louisa Johnson DNA ancestors (1850s - 1920s)
    2. Louisa Catherine Johnson DNA ancestors (1850s - 1940s)
    3. Martha Johnson DNA ancestors (1850s - unknown)
    4. John Quincy Adams Johnson DNA ancestors descendants (1850s - 1930s)
  2. Georgeanna Francis Adams DNA ancestors (1830s - 1830s)

X Chromosome

Sons get their single X chromosome from their mother. Daughters get an X from each parent. Here are up to seven generations of possible carriers of portions of Mary's X chromosome.   more information Help

  1. Mary Louisa (Adams) Johnson DNA ancestors descendants (1820s - 1850s)
    1. Mary Louisa Johnson DNA ancestors (1850s - 1920s)
    2. Louisa Catherine Johnson DNA ancestors (1850s - 1940s)
    3. Martha Johnson DNA ancestors (1850s - unknown)
    4. John Quincy Adams Johnson DNA ancestors descendants (1850s - 1930s)
      1. Caroline Curtiss Johnson DNA ancestors (1890s - 1920s)
      2. Abigail Adams Johnson DNA ancestors (1900s - unknown)
      3. Martha Johnson DNA ancestors (1900s - unknown)
      4. Mary Louisa Adams Johnson DNA ancestors (1900s - 1930s)
  2. Georgeanna Francis Adams DNA ancestors (1830s - 1830s)

Note that this display is privacy-controlled. Mary Adams's profile is Public. What you see about each listed descendant depends on their individual Privacy Level and whether you are on their Trusted List.

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