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Finding Adoptee via Distant Cousins?- Possible

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  • Finding Adoptee via Distant Cousins?- Possible

    Hi!
    I have an adopted half brother - but I dont have enough CMs in my matches for a half-sibling or half -niece / nephew. (if he had children.)

    We are Acadians with a lot of cousins - distantly/closely "related"- and I was hoping somehow there would be a way I could find even the smalled link via a maternal relative. (needle in a needle factory)
    I have DNA matches that have matches on both my paternal and maternal side.
    I need DNA for Dummies.

    Via some other DNA discussions Ive been in they say unless HE or HIS CHILDREN have tested there would be no way to gain an inch.
    Ive read people with lower than "normal" CMs being more closely related than what the charts say.
    And I hear of people finding birth parents via distant cousins...but my brain gets scrambled trying to figure out the how-dos of reverse searching- or what other DNA avenues there might be.

  • #2
    Welcome Megan!

    The starting point is that genetic genealogy is both about genetics and about genealogy.

    The man you had described as your adopted half brother, do you have a common mother and his birth father (genetic father) is unknown?

    Are trying to find his birth father?

    If this is about finding his birth father, he should have his Y DNA tested in addition to Family Finder.


    Mr. W

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    • #3
      Are you looking for your half brother because he was put up for adoption? If so, then he or his descendants would have to test to match you.

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      • #4
        If you are looking for a sibling, parent, or other very close relative, it's best to test at all 3 major DNA companies (FTDNA, 23andMe, and Ancestry), if you haven't already done so. If your half-brother or one of his children has tested, you don't know which company they chose. The DNA tests at the other 2 companies are inferior, but Ancestry has an extremely large database.

        And if you want to read a DNA book, easy enough for beginners, but packed with info, try The Family Tree Guide to DNA Testing and Genetic Genealogy by Blaine T. Bettinger. It covers all 3 companies about equally.

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        • #5
          Originally posted by MeganAshley View Post
          Hi!
          I have an adopted half brother - but I dont have enough CMs in my matches for a half-sibling or half -niece / nephew. (if he had children.)

          We are Acadians with a lot of cousins - distantly/closely "related"- and I was hoping somehow there would be a way I could find even the smalled link via a maternal relative. (needle in a needle factory)
          I have DNA matches that have matches on both my paternal and maternal side.
          I need DNA for Dummies.

          Via some other DNA discussions Ive been in they say unless HE or HIS CHILDREN have tested there would be no way to gain an inch.
          Ive read people with lower than "normal" CMs being more closely related than what the charts say.
          And I hear of people finding birth parents via distant cousins...but my brain gets scrambled trying to figure out the how-dos of reverse searching- or what other DNA avenues there might be.

          I believe what she is saying is that she found out she has a half brother that was given up for adoption and she has no close enough matches in her FF list that could be him or his children if he had any. She is Acadian so she is going to have a lot of matches and endogamy so is there a way she can find him w no close matches.

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          • #6
            You might also need to approach this in another way. Of course test at all the top three places and do the GEDmatch transfer. But also register at GS adoption registry. They have people who might be able to help you search for him if you have information. I used them and they seem like a good group.
            Alan

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