I wanted someone to confirm my thoughts or give me some guidance.
I have uncovered a possible 1st cousin mystery dna match. (ancestry)( I know all my first cousins and no one has done a dna test.)
I had my Dad do a Dna test (Ancestry), his results suggest great grandparent/aunt/ uncle / half sibling. I share 683 centimorgans 38 segments, and my Dad shares 1340 centimorgans and 50 segments with the mystery person.
What makes this interesting is this person shares dna with us from both maternal and paternal sides.(my Dad's father/mother). I know this because I am aware of confirmed relationships.
I take from this that it's possible that:
- one of my aunts gave up a child.(unknown to us) .
- I do know that my grandfather's sister gave a child up probably in the 1920's.BUT the only way it could be this mystery person is if the father was somehow a relative of my grandmother. like her brother Right? (it could happen) .This scenario would make them double cousins and would inflate the shared dna by double?
Am I right to assume these are the only ways we can share both paternal and maternal dna in those amounts?