Questions tagged [relationship-analysis]
For questions about determining or interpreting familial relationships.
149 questions
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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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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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Can 1,782 cM shared indicate Half Siblings? [duplicate]
Could a person with 1,782 cM actually be my half-sibling?
This person is listed as close family to me, yet I do not know them.
My cM is the same as this person's.
I do have 6 paternal half ...
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How can a 3rd Cousin be a DNA match to my mother AND my father’s side?
On Ancestry I have a match at the 3rd cousin level and we have common matches with both my mother and fathers side. New to this and that is confusing to me. Sorry if I am missing something obvious!
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Child of possible incest
My sisters, two aunts and several cousins (on maternal side) did the 23 and me DNA test. One of my aunts (the younger one) showed up as a half sister to me (we share 1,942 cM and 44 segments) and my ...
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Understanding 1,537cM match to person and 1,950cM match to their uncle
I have a match with a female that is a few years younger than me (she is in the 60s). She and I match at 1,537 cM across 47 segments.
Her Uncle (Paternal Uncle, as far as I know) is a match with me ...
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Adopted 1st cousin match possible secret sibling?
An unknown woman matches:
me with 1045cM
my aunt (my father's sister #1) with 1952cM
one of my 1st cousins (from my father's sister #2) with 998cM.
My father has one other sibling: a brother who has ...
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Understanding shared DNA of 1,576 cM with great nephew
I had my DNA tested through Ancestry. About a year ago, my great nephew (I'll call him GN-1) whom I raised had his tested. The match came up Close Family–1st Cousin Shared DNA: 1,576 cM across 69 ...
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Does 439 cM shared suggest half uncle rather than half first cousin?
I am trying to determine if my half sister had a different father than the one she grew up with. I was given a name of who the father could be. He has passed away but his son took a DNA test on ...
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False-Positives in Autosomal DNA Matches
I have spent a significant amount of time and effort beating my head on brickwalls that appear when tracking Ancestry Autosomal DNA matches. I've had success in establishing document trails with ...
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Intrepretation of DNA detectable relationships
While quite a number of questions have been asked and answered regarding DNA and relationships, I'm not certain that this question has been asked.
I have a 5th cousin that has been identified by ...
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Interpreting ethnicity from DNA testing
Ancestry DNA testing confirmed that I am 23% Chinese. My mother has no Chinese DNA. My fathers mother has no Chinese DNA.
Does that mean my father is 50% Chinese and his father is 100% Chinese?
...
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Does 866 cM shared suggest half aunt rather than aunt? [duplicate]
There is a joke in my family that my father's father is not his biological father. He only has sisters and his father is dead, so there's no possibility of a true test. But I'm his daughter and I did ...
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Evaluating half sibling using AncestryDNA? [duplicate]
Recently we (two full sisters and a full brother) think we may have found a half brother who is 50 years old on Ancestry DNA, where he is being categorized as Close Family-First Cousin.
sister 52yr ...
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DNA/Half-Sibling or First Cousin, Based on Fairly High Shared cMs
Brand new at this and don't have good grip yet on cMs ranges for relationships, especially when number falls in between stated ranges for relationships.
Both my dad and I have taken DNA tests from 23 ...
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Analysing relationships using autosomal DNA
I (A) am 1095 cm's from a known cousin (M).
I (A) am 1224 cm's from an unknown person (S)
My cousin (M) is 1458 cm's from the unknown person (S).
I (A) am described as a Cousin to (S)
(M) is ...
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247
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Understanding shared match of 1,177 cM? [duplicate]
I recently received a "DNA Match" on my account to some one who shows 1,177 cM shared. I am trying to understand what this is really telling me.
This is important to me as I do not know who my ...
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Understanding 1,102 shared centimorgans?
I took an AncestryDNA test and have matched with a new relative JP. She and I share 1836cM. She’s not my half sister. She’s not my grandparent. She could be my father’s half sister. With this amount ...
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Does age factor in when calculating relationship on DNA match
A result of 193 cm from 100 year old, matched up to a 35 yo. Does the age of the participants factor in? The sample also showed cross match. The relationship is estimated at 2nd to 3rd cousins. Does ...
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Does 1,517 shared cM indicate half-siblings? [duplicate]
My husband has a close family match of 1,517cM across 61 segments and his niece shares 906 cM across 40 segments.
Is there a chance this is a half brother to my husband and half uncle to his niece?
...
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456
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Can 419 and 468 shared cM indicate first cousins? [duplicate]
I was adopted and have known my birth family for many years. I just did a DNA test and found I have 702 matching cM's with the daughter of my mother's brother (making her my 1st cousin). This helps ...
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192
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Does match sharing 952 cM indicate grandparent or great uncle? [duplicate]
My mother was adopted and we are trying to find the parents. I have a DNA match that is 952cM and 38 DNA segments.
What is the chance of this being my grandparent?
It says 1st cousin and we know ...
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119
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Does sharing 1,249cM indicate half sibling?
My husband was raised by his older half brother. We have been told throughout the years that he is actually my husband father.We ran an ancestry test with his daughter. Results were sharing 1249cm ...
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Using AncestryDNA to work out whether mother or father is parent of half sibling?
How do I work out from viewing my shared matches on AncestryDNA which one of my parents is the parent of my half sibling?
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309
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Does 1,864 centimorgans indicate half-siblings? [duplicate]
My sister, daughter and I all took DNA tests for fun. My sister and I show up on Ancestry as "close family," and share 1864 Centimorgans, and we do not share any relatives that my daughter and I share ...
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Testing siblings DNA to determine full siblings? [duplicate]
I have done a sibling DNA test to determine if my children are full siblings or not. There was a possibility that my eldest daughter could have been her father's brother’s and not actually his.
I ...
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Determining if 1,814cM match from AncestryDNA is Half Sibling?
My son recently had a match come up as close family the match is male and 1814cm.
His only living grandfather is already in our tree at 1857cm. All other grandparents are deceased and have never ...
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Cousin claiming to be half sister?
Thought to be cousins, fathers are brothers, both male parents are deceased.
Is it possible to DNA test accurately enough to verify half sibling when female cousin is daughter of brother of my ...
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155
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Understanding half first cousin DNA results when no match?
We have strong reason to believe we know who my aunt's half first cousin is. However, he is not matching her with autosomnal dna test on ancestry.
Its fair to say ok forget it but there are so many ...
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Interpreting MyHeritage DNA Match of 973cM?
I just got a DNA match at MyHeritage with 973 cM, in common, which says first cousin. My mother had one brother, and it's from her side of the family. He had a son, who passed at a young age.
I am ...
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Possible family relationship with 3rd cousins
I have three 3rd cousins on my mother's side with 66.1-71 cM shared between us. One is male and 2 female. These 3 cousins are 2nd cousins to each other and I believe I am their third cousin. They ...
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Are AncestryDNA matches of 904 to 1,211 cM likely to indicate half siblings?
Grandma is showing dna matches with four “1st cousins” who are all supposedly first cousins themselves. The matches are 1211, 1175, 1138, and 904 cms. There is also a match of 972 who is a brother to ...
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Distinguishing half siblings from cousins using AncestryDNA?
My husband recently took an AncestryDNA test to see if he could find out who his father was, at least through matches.
His closest match that came up was a female who shares 1390 cms across 45 ...
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Half siblings or double cousins?
MB= my brother (1/2 sibling)
MC=cousin (our mother's sister's daughter given up for adoption-no longer married to SS)
DC=cousin to both of us but either 1/2 sibling to my brother or double cousin)
AS= ...
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Is a 12 CM 1 segment match better evidence for a common ancestor if it's otherwise unlikely?
Early in my research, I had guessed that the Samuel Price listed in the 1850 census for Minersville, Schuylkill County, Pennsylvania (my gg-grandfather's brother) was the same person as Samuel Price ...
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Half-Sister/1st Cousin Shared DNA
I'm curious to know what the shared DNA would be between half-sisters who are also first cousins. If the mother of both sisters had an affair with one of the sister's father's brothers what would the ...
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Will half-brother or half-sister DNA provide more relevant info?
I was adopted and have identified my birth mother. I have 2 half-siblings though her—a brother and a sister. It turns out that my father is either the same as their father OR his brother.
Would my ...
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Private DNA Test Results for Half Sibling
I have 2 alleged fathers and have recently ruled out one of them with a private DNA test. I am now trying to determine whether the other is my father but he is deceased, so I am testing with one of ...
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Understanding second cousin match on AncestryDNA?
I am a little confused. I have a match on Ancestry.com...who by the way doesn't answer my emails which is incredibly disappointing as he is the closest match I have ever had and I've been on FTDNA for ...
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How many centimorgans should I share if second cousins marry?
My first cousin's daughter had a child with my sister's son. The child was given up for adoption. I'm matching someone on Ancestry.com with 1124 centimorgans. Not sure if this is the child and cannot ...
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Identifying half brother using AncestryDNA?
I took the ancestry.com DNA test, and have matched to several 1st cousins. recently I was notified of a match that simply says Close Family member. Our match states we match DNA of 1554cM and 49 ...
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How many Centimorgans would be shared with half niece?
My newly discovered half sister has a child.
Around how many centimorgans do you think i should share with her?
I am not looking for an exact number. I'm looking for a range.
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What relation is my Half-Aunt to her DNA Matches?
I have recently discovered through an Ancestry DNA test + GEDMatch that my Aunt is my half-Aunt and that she and my mother don't share the same biological father. Looking at my Aunt's DNA Matches on ...
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I don't know who my dad is but I have DNA paternal matches
I have DNA matches on Ancestry.com but none high enough to be my father. However, all the matches point to a common name as our ancestor.
The highest match is 959 over 42 but the person it matches ...
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Not sharing any centimorgans with person who mother shares 102cM?
My mother (age 96) shares 102.1 cM with a man (age 72). However, I do not share any cMs with him.
What could their relationship be and why don't I share any cMs with him?
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Does AncestryDNA match of 1,697cM indicate half sibling or aunt?
I just received my AncestryDNA results. It shows I have a close family match with a woman who would be my grandmother, aunt, or half-sibling. We matched 1,697cM with 51 shared segments.
It cannot be ...
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Is AncestryDNA match of 1,655 cM a half sibling? [duplicate]
Shared DNA: 1,655 cM across 46 segments.
Can someone that shows this as one of my matches on AncestryDNA be a half sibling?
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AncestryDNA showing No Match for Half Aunt?
My father's half sister just posted her AncestryDNA results.
I did not come up as a match, nor did my sister.
Does this mean that my father's dad is not really his dad, or could there be another ...
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