Questions tagged [relationship-analysis]
For questions about determining or interpreting familial relationships.
145
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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 ...
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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 ...
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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) ...
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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 ...
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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 ...
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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. ...
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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 ...
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178
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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 ...
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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 ...
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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 ...
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108
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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 ...
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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
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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 ...
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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 ...
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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-...
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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 ...
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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?...
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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 ...
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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 ...
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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 ...
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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 ...
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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 (...
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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 ...
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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’...
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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 ...
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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,...
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285
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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 ...
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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.
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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 ...
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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?
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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 ...
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134
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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 ...
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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% ...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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143
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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 ...
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130
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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. ...
user12726
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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 ...
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141
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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 ...
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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-...
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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 ...
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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 ...
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959
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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 ...
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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,...
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2
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243
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Do father and mother pass on same DNA to half siblings?
I grew up in a household with half siblings. Same mother different fathers. I grew up never knowing who my dad was. As I got older I started to ask questions. My mother would push back with resistance....
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Explaining older sister sharing 1,961 cM as close family or 1st cousin
My older sister came back "close family-first cousin".
What does this mean?
Shared DNA 1961 cM across 74 segments
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