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Questions tagged [relationship-analysis]

For questions about determining or interpreting familial relationships.

0
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1answer
23 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
25 views

How many centimorgans can be considered full sibling?

My sister and I share 2,277 centimorgans. It seems low for full sibling but high for half sibling. Any thoughts?
3
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1answer
32 views

Possible Half Sibling

I was adopted as a small child and have never known my natural mother or father. I recently completed an AncestryDNA test and have been matched against a lady with a score of 1,912 cM across 73 ...
5
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1answer
50 views

Can the amount of saliva affect how many centiMorgans are shared between 1st cousins?

I share 279 centimorgans with a 1st cousin in 12 segments. I don't believe that is enough to be considered 1st cousins. She says she couldn't spit a lot. Would a small amount of spit affect the ...
3
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1answer
46 views

How can 3/4 siblings share a mother but not paternal ancestry?

My family is running the DNA test gauntlet and my dad got back some interesting results. He is related to his half sister (1,687 cM across 66 segments) at a level that is to be expected. He is ...
3
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0answers
28 views

Second cousins or double second cousins?

My parents share a set of first cousins but don’t share any common ancestors. I then share four great grandparents with my second cousins. Would they be considered my second cousins or double second ...
2
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2answers
42 views

Understanding second cousin predictions from AncestryDNA?

I have three extremely high second cousin predictions from my father's side. I do not know my anything about my biological father (Name, age, etc..). My top matches are: R - 619 cM across 39 ...
2
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1answer
59 views

Sisters who match to me have very different centimorgans?

I have done a DNA test and show a 2nd cousin match with 313 cM and then a 4th cousin match with 67cM yet these two matches are sisters with the same parents. How is this possible?
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2answers
77 views

Perplexing Shared DNA Data - First Cousin Once Removed or Half Niece?

My sister and I recently did DNA tests through 23&Me. We found out we have a surprise relative about 27 years younger than us (a generation younger). She has about 8.5% shared DNA or around 577 ...
0
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1answer
27 views

Understanding Half Siblings and Half Cousin terminology?

My mother was adopted and recently I was able to connect the dots and locate her birth families, so now the fun begins. I am confused in regards to the situation of a person having 3 paternal siblings ...
3
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1answer
249 views

How could we be related. All combinations make zero sense

I the poster is K2 as related below Objective: Learn how T and G fit into the K's tree T&G appeared in DNA match with CM to K2 (K1 is still in testing) BackGround T and G are siblings born ...
4
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1answer
126 views

Half Sibling Mystery

I have somewhat recently started using Ancestry.com, so just a fair warning that I'm still learning how everything works! That being said, I am the child of my biological mother, who I know, and an ...
3
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1answer
58 views

Relationship to DNA match who may share my mother with my great-uncle

I know this will sound far-fetched, but maybe someone can help me. DNA Match through Ancestry shows: 'First Cousin' match at 820 CM over 37 segments (Let's call him Tom) 'Second Cousin' match at 541 ...
3
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1answer
361 views

What is “dritter Grad der Blutsverwandtschaft” (third degree/grade of blood relationship)

Just found the term "dritter Grad der Blutsverwandtschaft" in a 1793 marriage record of northern Alsace. I know that I can translate this to "third degree or grade of blood relationship", but that ...
3
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1answer
85 views

What is “Geschwisterkind von muetterlicher seit”?

I have a death record from 1790 Alsace. It concerns a one-year old child named Johann Philipp Gassmann, son of Johann Erhardt Gassmann and Margaretha Bley. As seems customary in Alsace at the time, ...
2
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0answers
283 views

Is the relationship an aunt /niece or half sister to my mother?

I am a genetics beginner: A little back story: My mother was adopted at birth. She found her birth mother and siblings back in the 90s. The birth mother was deceased at the time, and we also ...
5
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1answer
115 views

Could “Our Mother” be a term of endearment on 1855 headstone?

In researching my great great grandmother, Elizabeth Cowan Short, I have located her death record in Franklin County, Ohio, USA (1896), as well as her burial record. They record her birth as 29 ...
3
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1answer
1k views

Shared centimorgans of second cousins with different paternal grandfathers?

I'm new. Just reading the useful answer to a question about shared centimorgans of first cousins with different paternal grandmothers. I share 238 cM with a second cousin. We can be pretty sure that ...
4
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2answers
597 views

Determining if 2nd cousin is father from DNA test?

My partner is waiting on her DNA results. She strongly suspects that her 2nd cousin is her father (long story). Will the DNA results reveal the possibility from more concentrated markers, or less ...
4
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1answer
80 views

Identifying John Morgan, son of Thomas D. Morgan (1809-1870)?

I have a real dilemma. I have found a DNA link to the Thomas Morgan (1791-1860) family through Frances Denira "Fanny" Morgan (1821-1899), daughter of Benjamin Francis Morgan (1762-1835), who was the ...
4
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1answer
378 views

How can I determine the likely relationship based upon autosomal DNA shared cM?

Given two tests that share some cM of autosomal DNA, how can I easily find the predicted relationships that such shared cM would suggest? E.g., a 2,200 cM match suggests it could be either: ...
5
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2answers
6k views

Predicted percentages of shared DNA for DNA tests of half-siblings?

My half brother and I each had an Ancestry DNA test. I am female. We share a biological father. Different mothers. Test results show he is my 1st cousin. I am confused. Can you please help me to ...
3
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1answer
3k views

Shared centimorgans of first cousins with different paternal grandmothers? [duplicate]

On average, how would range of shared centimorgans compare between first cousins who have same paternal grandmother versus first cousins with different paternal grandmothers, same paternal grandfather ...
3
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1answer
11k views

What is expected shared cM of cousins with only one shared grandparent?

Related to What is expected shared cM of double third cousins?, what would the expected range and average shared cM be? In this case, I'm seeing 64.0 cM over 3 segments. Looking at the table, that ...
3
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1answer
253 views

How is this relationship likely to be 'identified' by a DNA testing company?

I have recently made contact with a putative (half)-first-cousin with whom I may share a grand-father. There is not a definitive documentary trail that confirms her grandfather and mine are the same, ...
7
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0answers
130 views

Can I determine the relationship between Mary Anne Wright (nee Harper) and Charles William Kimmons?

In the 1901 census for England, Mary Ann Wright (nee Harper) was living in Kings Norton, Worcestershire (not Birmingham) with her husband Stanley and her children. In the 1911 census she's shown as a ...
9
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1answer
97 views

How were the beneficiaries of the 1872 Will of Mary Rogers related?

My fourth great grandmother was Elizabeth Crawley, born 1791, probably in London. She married William Stretch in 1819 in Whitechapel. The witnesses to their marriage were D. Rogers and Mary Rogers, ...
3
votes
1answer
74 views

What is Ellen M Berry's relationship in this Census Record?

I'm looking at the 1880 census record for a Ellen M Berry. She stuck out to me as odd, being much younger than anyone else in the family, despite the transcription saying she was a daughter. She also ...
0
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1answer
85 views

Determining closest heir for probate?

Lady Y is the cousin of Lady X's mother Lady Z is the daughter of Lady X's Cousin Are both Lady Y and Z second cousins to Lady X, and for probate who is the closest heir?
5
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1answer
711 views

Inferring father/son relationships from Senior (Sr.) / Junior (Jr.) naming?

As in my other questions, I am investigating the spread of the Blackstone family name in early America. I came across the following tidbits and I would like to know if my interpretation is (likely to ...
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1answer
85 views

How do we know the relationship between the Royal Baby and these celebrity children?

The findmypast.com blog recently posted an article which shares how the Royal Baby is related to the children of some celebrities. This includes: Children of Jennifer Garner and Ben Affleck Daughter ...
6
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2answers
162 views

How could I automaticaly analyse relationships in large set of vital records?

My family research right now is based on digitalized 19th century vital records. These, of course, are scans of the original, not text. There is, though, a third party project where people have ...
5
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1answer
145 views

Can a person adopt their own parent or grandparent?

A recent question on Finding Loops in GEDCOM files got me to wonder if there are some loops that are valid. Of course there is science fiction, where a person goes back in time and parents their own ...
9
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3answers
187 views

Support for variants of family-unit

I hope everyone will agree that the definition of a "family unit" is very subjective. Although many products, and the old GEDCOM format, offer some type of FAM record, I have never seen an agreed ...
18
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5answers
394 views

How can I establish (and describe) my confidence that the child and adult are the same person?

My two general questions are: At what point can one say that, yes, the adult you have identified as your ancestor is the same person as the child you think might be your ancestor, and that you have ...