Questions tagged [relationship-analysis]

For questions about determining or interpreting familial relationships.

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2answers
39 views

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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1answer
20 views

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 ...
6
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1answer
39 views

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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2answers
94 views

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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2answers
97 views

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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1answer
46 views

Does 866 cM shared suggest half aunt rather than aunt?

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 ...
2
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1answer
53 views

Evaluating half sibling using AncestryDNA?

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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1answer
34 views

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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1answer
54 views

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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1answer
74 views

Understanding shared match of 1,177 cM?

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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1answer
58 views

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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1answer
47 views

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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0answers
19 views

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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1answer
55 views

Can 419 and 468 shared cM indicate first cousins?

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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0answers
17 views

Does 1,427 shared cM indicate half-siblings? [duplicate]

I share 1427cm 54 segments with a close family to 1st cousins with a probability of 93.7% to grandparent, aunt uncle or half sibling. All of my info is that he is related on my maternal side, ...
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1answer
55 views

Does match sharing 952 cM indicate grandparent or great uncle?

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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1answer
61 views

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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1answer
54 views

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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2answers
113 views

Does 1,864 centimorgans indicate half-siblings?

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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1answer
40 views

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 ...
2
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1answer
96 views

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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1answer
73 views

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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1answer
58 views

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 ...
2
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1answer
100 views

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 ...
2
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1answer
58 views

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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2answers
88 views

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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0answers
12 views

Possible Half Siblings? [duplicate]

Recently I was contacted by a man who feels we could be half siblings. He explained where his father had lived and I learned he and my mom had dated. My CM to his was over 2000 and ancestry.com showed ...
4
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1answer
122 views

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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0answers
102 views

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= ...
2
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1answer
90 views

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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0answers
11 views

Learning legal relationship to mother and father in-law when legally separated? [duplicate]

My husband was killed in a car accident however we were legally separated not divorced at the time, I have met a man and i am getting remarried and i have no idea what my "in-laws" are to me now ...
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1answer
59 views

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 ...
2
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1answer
37 views

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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2answers
100 views

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 ...
0
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1answer
68 views

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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2answers
127 views

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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1answer
98 views

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 ...
0
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1answer
351 views

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.
4
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1answer
1k views

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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1answer
48 views

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 ...
3
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2answers
85 views

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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1answer
140 views

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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1answer
94 views

Is AncestryDNA match of 1,655 cM a half sibling?

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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3answers
108 views

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 ...
1
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1answer
132 views

Is AncestryDNA match of 2,063 cM a half sibling?

I am new to AncestryDNA and my results came back with my top match having 2,063 centimorgans out of 62 segments saying close family. Would this be a half-sibling? The match is a few years older ...
1
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1answer
48 views

Deducing relationship from DNA results for two matches at two different websites?

My father was adopted and, while I’ve had my DNA tested, he is not quite ready to do so. I’ve found some fairly close matches, one that shares 9.8% (692.7 cM) and another that shares 14.4% (979 cM). ...
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1answer
94 views

Understanding close family match from AncestryDNA?

I took the AncestryDNA test. It came back with: Close family male, 2022 cM shared across 60 DNA segments. 1st cousin match female, 1194 cM shared across 48 segments. It turns out the female 1st ...
1
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1answer
250 views

Interpreting results of siblingship test?

My sister and I suspect we have different fathers. We took a siblingship test through DDC. The results are a little confusing and honestly, they put our wet swabs each in a paper envelope and then ...
0
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1answer
79 views

What is family connection for 1722 cM match?

I have a DNA match with a man that AncestryDNA discovered. The match is DNA 1722 cM across 62 DNA segments. I have messaged the guy to try and talk with him and discover how we are related. He seems ...
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2answers
160 views

Is autosomal DNA match of 2,277 cM a full sibling?

My sister and I share 2,277 centimorgans. It seems low for full sibling but high for half sibling. Any thoughts?