Let me tell you about this Mysterious DNA relative in my brother’s Ancestry list that haunted me for a few years.
Mystery DNA Relative
Shared DNA: 66 cM across 6 segments
Unweighted shared DNA: 73 cM
Longest segment: 28 cM
This was a fairly close relative but she did not match with any of our other relatives, no matches with the hundreds of relatives on our grandfather’s side so I could cross that side out. No matches with our maternal matches so she wasn’t related to our mother. No matches with our father’s maternal grandmother’s relatives so that only left Alfredo who I wasn’t sure was our real great-grandfather because of the lack of DNA matches.
The tree was no help because everyone up to grandparents was Private so I had no clues to go by but this was a mystery I was determined to solve.
By chance, I happened to see this same relative on MyHeritage with a more open tree, and going through the tree I immediately noticed that her maternal grandparents were not from the Virgin Islands and I did not recognize any of the names. I started working on a mirror tree and everyone was born in the USA so I crossed out her mother’s family as being the connection, her father was Private but his father was not, it was just a name but one I know from the Virgin Islands.
I was intrigued.
I knew the last name but not the first name so off to Familysearch and Ancestry to do some searches, I was coming up empty, even looking through my DNA relatives I didn’t get any other matches with this surname in their tree, what could this possibly mean?
It was scratching at the back of my mind but I didn’t want to answer it just yet, I wanted solid proof and that came a few months after I did my own DNA test at Ancestry, this match still was the only person connecting to both me and my brother until she matched with one other person.
The New Match
Shared DNA: 98 cM across 5 segments
Unweighted shared DNA: 98 cM
Longest segment: 38 cM
This new match had a surname I knew but couldn’t place, she was instrumental in me finally connecting the mystery match to the tree and our family but the name was aggravating me with its illusive trail until I went back over my tree looking at the children of my great-grandfather Alfredo. There it was the name that was flirting with me, my great-aunt, the half-sister of my grandmother had married a man with the name of the new match. The new match was the granddaughter of my great-aunt.
So if the mystery match also matches the granddaughter of my great-aunt that can only mean one thing, she was also a descendant of my great-grandfather Alfredo, but how? The last name of her grandfather, her grandfather was the full sibling of my great-aunt, they shared the same mother instead of being half-siblings like they were raised. So her grandfather was my great-uncle and that made her my half-second cousin.
I honestly wondered if I should have even attached her grandfather to Alfredo but it seemed to me that maybe she was searching for her relatives, nobody takes a DNA test and uploads to multiple sites just for the fun of it. Oh yes, I forgot to mention I also found her on Gedmatch. So I put the information in my tree with the DNA connection and hoped she would see it and it would help.
I have to admit though, Alfredo’s parents are still giant mysteries to me and I am no closer to cracking that particular nut just yet. I’m hopeful but the matches on that line are very few and far in between. At present count, I have just 3 matches excluding my brother. The two in this post and the granddaughter of Alfredo’s half-brother. With so many half connections is it any wonder that the DNA connections are on the smaller side?