I have a 1883 cM match with my first cousin. I have a 762 match with his brother, and a 4462 match with my sister.

Is there an explanation?

  • It would help to know the relative ages of all the DNA matches, as well the nature of the parental connection (brother-brother, brother-sister, sister-sister), and also whether your sister matches the cousins the same way as you.
    – cleaverkin
    Mar 31 at 7:34

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.