Questions tagged [relationship-analysis]

For questions about determining or interpreting familial relationships.

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Confirming my real (genetic) grandfather from 23andMe results

I recently found a photo of my maternal grandparent’s wedding party. I’ll refer to my maternal grandparents as GM (grandmother) and GF (grandfather). I was surprised to see that one of the people in ...
MrAnon1900's user avatar
-3 votes
2 answers
78 views

My sons DNA show who my possible father is. Paternal side

My biological father could be my step grandfather. He is dead and so are all his siblings. Would my sons DNA show my paternal side? I am a woman.
Lisa Ann's user avatar
2 votes
1 answer
306 views

Can aunt and her nephew's dna trace line to see if aunt's mother (nephew's grandmother) is her biological mother?

My Mom has had her DNA done, and her nephew, her sister's son, had his. There has always been a reason to believe that her mother is not her biological mother and my 89-year-old Mother really wants to ...
teresa's user avatar
  • 21
1 vote
1 answer
263 views

On FamilySearch, is it possible to find how I am related to someone more than 15/16 generations back?

First, I found the question Tracing relationships on FamilySearch's Family Tree through more than 15 generations? which is very similar, but I was not satisfied with the answer (and maybe a new ...
bill999's user avatar
  • 155
0 votes
1 answer
94 views

Using DNA to identify deceased grandfather

After discovering my grandfather wasn't related (my DNA showed zero relative matches on all sites for this man) I had my 3 brothers, a sister, my niece, and 2 of my children (who are half-siblings) ...
Kdaline's user avatar
0 votes
1 answer
93 views

Distinguishing mother from sister using autosomal DNA matches

M (female) matches F (female) with 2923 cM half identical (51 segments) and 866 cM (identical) on 37 segments. Longest segment is 184 cM on the X chromosome. Have a 135.04 segment on another ...
Mary's user avatar
  • 1
1 vote
2 answers
662 views

How to calculate relationship between two members in an Ancestry public tree

If I'm looking at someone else's Ancestry public family tree, how do I calculate the relationship between two people in their tree? Even just to be able to calculate the relationship to the home ...
TimD's user avatar
  • 111
1 vote
1 answer
165 views

Representing genealogy when multiple intra-familial marriages occurred

I searched this site and found a similar question from 2012. I'm hoping that genealogy programs have improved since then. I have a genealogy in which multiple intrafamilial marriages occurred. ...
Ron's user avatar
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2 answers
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Looking for article on Edith Cromwell / Oliver Cromwell

I have an ancestor born Edith Cromwell who married Christopher Gist in the 1600s.  Many people believe that she was a close relative of the famous Oliver Cromwell.  But long ago, I read a convincing ...
WGroleau's user avatar
  • 325
1 vote
0 answers
214 views

Can paternal half sisters share only 16% dna?

My mom was adopted and knew nothing about her biological dad. We know her biological mother and her family. I'm looking for her bio dad. We both tested on Ancestry. I tested first, and I did the ...
Anna's user avatar
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3 votes
2 answers
99 views

Is autosomal DNA testing sensitive enough to distinguish non-paternity events many generations ago?

I have been researching my family line for decades, and have run into quite a brick wall with my earliest known progenitor, Daniel Cooper Sr. (1695-1795). There is an oft-repeated story about him ...
Betty Crokker's user avatar
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1st – 2nd Cousin 395 cM | 6% shared DNA Father's side [duplicate]

I've connected with a cousin on ancestry.com and 23andme and dna doesn't lie he is my cousin. however we cannot find out who our common ancestor is. 1st – 2nd Cousin 395 cM | 6% shared DNA Father's ...
DGJ's user avatar
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0 votes
1 answer
112 views

Thought godmother wasn’t related, but she’s a MATCH?

Close Family – 1st Cousin 24% sharedd DNA: 1,677 cM across 42 segments. I was always under the impression that my godmother was not my relative, but, much to my surprise, the above results came back ...
Sunny's user avatar
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0 votes
1 answer
78 views

Distinguishing niece from sister using shared percentage DNA [duplicate]

On Ancestry who I thought was my niece my oldest sisters child shared 49% -56% dna how is that possible ? I also have a first cousin who shares 26% yet his sister only shares 6% why is that
Lynell Royston's user avatar
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1 answer
76 views

Determining common ancestor by where descendants match on particular chromosome

Can I tell which ancestor, like a 4th great grandparent by where we match on a particular chromosome? I am trying to find 4th great grandmothers maiden name. I have distant matches with same names ...
user14230's user avatar
1 vote
1 answer
80 views

Distinguishing aunt from half sister using X and autosomal DNA [duplicate]

My dad died 4 years ago. But my grandfather (his dad) could be my bio dad. We have made a test with my aunt (his full sister) and we share 25,27% dna (1860,2cM 43 segments max136,2cM) With Geneanet we ...
Cla's user avatar
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0 answers
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Interpreting DNA Match of 947cM at AncestryDNA [duplicate]

I am 75 years old. I have a known 1st cousin who matches 756 cM with me. I also have an unknown 1st-2nd cousin who matches 947 cM with me and is 44 years younger than me. What relation could this 1st-...
Pauline Laws's user avatar
1 vote
1 answer
3k views

Assessing likelihood of incest using AncestryDNA results

My mother was raped by her father sometime in her adolescence. There was a trial and he was acquitted, but it is generally known and accepted in our family that the rape did occur. I don’t know if the ...
user14001's user avatar
0 votes
2 answers
148 views

Determining likely relationship for DNA match of 1,148cM

Was not looking to discover my father wasn't my bio dad. Now I have a match claiming I'm his half- aunt. I'm hoping that I'm NOT his parent’s half-sibling but instead their half-cousin. Is it possible?...
signora giustizia's user avatar
1 vote
0 answers
98 views

Using DNA to find biological father

I have done both 23 & me and Ancestry trying to gets leads on who in the world my birth father could be. My mom truly can’t recall. I found a first cousin or potential great aunt I think. She ...
The Mindful Raven's user avatar
0 votes
1 answer
103 views

Making sense of low DNA match for half-siblings

My DNA match on Ancestry was thought to be my half sister. After my test came back, 713 cMs across 20 segments, 10% shared DNA, longest segment 136, that says my Grandfather would be her father, but ...
Neil's user avatar
  • 1
0 votes
1 answer
297 views

How do Genetic Percentages in Common Compare to Possible Familial Relationships?

I recently was contacted about a deceased half-sister who is 11 years older than me. I did a 23AndMe test, and it shows us as 1st cousins with 13.57% shared DNA. An adoption agency lists my mother as ...
Travis's user avatar
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0 votes
1 answer
54 views

Understanding DNA match of 2,559cM to grandparent

I received my DNA results from Ancestry. My first DNA match ended up being my paternal grandpa. We shared 37 percent of our DNA and 2559cm. If that seems high, what could be causing so strong of a ...
Amanda Senn's user avatar
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0 answers
42 views

Can a person confirm paternity by results of a DNA matching service to the father's distant relative?

I am trying to find a way to confirm that the man listed on my birth certificate is my father or not (hopefully not). I have some obstacles, of course, one is that he died in 2011. We were not close (...
brownin329's user avatar
1 vote
0 answers
38 views

Would half siblings share the same DNA links to extended family

I've matched with either a half sibling\aunt or niece on MyHeritage - we chatted and it seems like we share the same father. However, I have links to a 1st cousin once removed or second cousin, for ...
Sasha Duguid's user avatar
1 vote
1 answer
98 views

3rd Cousin DNA with a person

I share a DNA match with a male person of 152cM coming up as a 3rd cousin. I also share a match with his half brother but much Lower at 45cM. These two share the same father but different mothers. I’...
Cam 's user avatar
  • 19
1 vote
0 answers
54 views

What is the relationship based on shared DNA

We are trying to find out information regarding my mothers biological father side of the family. My mom was adopted in 1945 and later in life discovered her biological mother but not her biological ...
Adrian Mahon's user avatar
0 votes
0 answers
42 views

How common is it to be related to another person in at least two different ways?

While exploring my genealogy, I found out that I am related to my best friend Nate via 2 different genetic routes. But a little more backstory. I was born in Texas, spent my younger years in Minnesota,...
Curious Layman's user avatar
1 vote
1 answer
319 views

Distinguishing half siblings from first cousins (possible fathers are brothers) using shared cM

Regarding half siblings, sent my DNA to Ancestry came to a match of half sibling at 1530 cMs @ 99% half sibling however was in contact with such match and he is claiming my father or one his two ...
Tony  Lombardo's user avatar
0 votes
2 answers
145 views

Understanding DNA match of 1,723 cM

I have a DNA match of 1,723 cM with a male 6 years younger than me. His father is one of a twin, could my match be not my half-sibling but my 1st cousin.
Lorraine Wingate's user avatar
2 votes
0 answers
108 views

Why might a free woman have a child with a slave?

Below is is a baptism record for a child Samuel in the Virgin Islands. The columns are for parents' names, then occupation, then civil status, then day baptized and then where they live. Eve is free ...
Charlie's user avatar
  • 1,659
4 votes
2 answers
7k views

Sharing 52% DNA with mother

I received my 23 and me results and it says I share 52% DNA with my mom. Is this possible?
Anónimo's user avatar
1 vote
1 answer
143 views

Understanding relationship with Shared DNA of 1,501 cM across 50 segments [duplicate]

My husband and I recently did AncestryDNA. He came back with a DNA match (shared with his mother) that simply says "close relative". He has no idea who this person is, and his mother claims ...
Rebecca Pettyjohn's user avatar
1 vote
1 answer
141 views

Half Uncle possibility -fathers side

I recently conducted a DNA test on ancestry.com and I received a strong match with a guy I don’t know . 758cms across 23 segments longest segment 86cm. He is 57 years of age and my father is 70 and i ...
Cam 's user avatar
  • 19
1 vote
0 answers
54 views

ALL 23andme matches link via one grandparent?

I have spent hours today looking at my 23andme DNA matches, and while I have not checked every single one, it seems to me that ALL of them descend from ancestors of my paternal grandmother. I am 100% ...
Victoria T's user avatar
0 votes
1 answer
75 views

2 unknown grand fathers

I have known for a long time that my fathers father is unknown. Unfortunately, I have learned that my mothers father is unknown also. I have recently received my DNA results but the nearest match is ...
Staylor70 's user avatar
0 votes
1 answer
88 views

Does DNA match of 1,781 cM suggest half siblings? [duplicate]

I have been contacted by someone who says we are half sisters due to our DNA match. Our DNA is 1,781 which apparently is a high match. Would this make us half sisters? I am an only child and she is ...
Mary Ann Arkinstall's user avatar
0 votes
1 answer
39 views

Is 1,147 cM match for half sibling or cousin

I have an 855 cM match with a mystery 1st-2nd cousin. My cousin has an 1,147 cM match to the same mystery cousin. Is it possible the 1,147 cM match could be a half sibling?
Rita's user avatar
  • 1
3 votes
2 answers
180 views

Determine family from obituary

I have a very poorly set up obituary and I need to determine who the 7 children and their families are, but the the way it is laid out and the punctuation are making this quite difficult for me. The ...
lkessler's user avatar
  • 16.7k
3 votes
3 answers
283 views

How can two different generations of one family be a half sibling to an outsider?

My full paternal uncle and I enough cM with an outsider to both be listed as half siblings to an unknown male. My uncle shares more cM with that unknown male than I do (a female). Both my uncle and I ...
MOMMAMIA9's user avatar
2 votes
2 answers
199 views

23andme shows a man as my dad's cousin, but ancestry.com shows him as my dad's brother

I did 23andme, and so did our mystery man. Two of my grandfather's brothers also did 23andme, as well as a number of the kids and grandkids of my grandfather's brothers and sisters (my grandfather ...
anna porter's user avatar
0 votes
1 answer
166 views

What is the cut off for a half-sibling and first cousin in CM's?

I am adopted and was searching for my birth family and found a cousin and since then I had someone in the family helping me with the search. I found someone who I think is my half-sibling. She did a ...
Marsh's user avatar
  • 1
0 votes
1 answer
138 views

Trying to narrow down biological grandfather

I have been working on finding my biological grandfather. The closest DNA match I have to my father (who has taken a test) is 1015cM. I've narrowed down his father to either her father or her uncle. ...
user avatar
0 votes
1 answer
72 views

Can 2,025 cM shared indicate full Siblings?

My brother and I did ancestry tests at different times. We had 2,025cM over 39 segments. Longest one was 158. As I looked at our matches all I could see was my moms side of the family. It was saying ...
Jessi77's user avatar
2 votes
1 answer
146 views

Mapping DNA relationships on paper

I have recently started digging into my DNA matches. I have several closely related matches. I was born in Montana and my grandma was married to a man who has no biological relationship to me. However ...
Gregoty Alan Higgins's user avatar
2 votes
2 answers
119 views

Determining relationship to cousin solely based on mutual relationships to other cousins

Background I am researching genealogy on 23andMe.com, trying to find new cousins and determine their relationships to me. All the site gives me is a list of people and their predicted cousin-...
Sam's user avatar
  • 119
2 votes
4 answers
475 views

Understanding daughter's 314 centimorgans with half nephew

My daughter just learned she shared 314 centimorgans with a boy we believed was her half brothers son. I have just sent in my sample as the supposed father of her 50 year old half brother. We are all ...
Rob's user avatar
  • 21
0 votes
0 answers
79 views

Can niece not connect to my paternal line but her daughter connects to my maternal and paternal side?

My niece is a dna match 2112 cM over 80 segments. She only matches on my maternal side of the family. Her daughter is a dna match of 1118 cM over 46 segments. She matches both my maternal and paternal ...
Dee Jay's user avatar
2 votes
0 answers
1k views

Incest and Shared CentiMorgan Theory. Half/Full Sibling and a Single Transverse Palmar Crease

My female ‘half sibling?’ and I, also female, share 2,129 cM. We DO NOT share the same father. DNA testing revealed that conclusively. Ancestry puts us into Close Family/1st Cousin. DNA painter ...
Curiosity Jones 's user avatar
0 votes
1 answer
148 views

9 of my top 11 DNA matches (three generations) show the category of 1st -2nd cousin

I am trying to find my biological father. I believe he is one of 5 brothers and am ALMOST sure of which one. My top 11 DNA matches (all relatives of those 5 brothers) state 1st - 2nd Cousin, however,...
Michelle's user avatar