Author Topic: DNA ethnicity logic check / Unexpected result  (Read 4993 times)

Offline mowsehowse

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Re: DNA ethnicity logic check / Unexpected result
« Reply #72 on: Saturday 08 January 22 09:03 GMT (UK) »
Thanks Michee. Well explained. :)
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Offline Carmella

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Re: DNA ethnicity logic check / Unexpected result
« Reply #73 on: Saturday 08 January 22 10:47 GMT (UK) »
Hi Andy

I don't know if you are aware that Rootschat has a Private Messaging (PM) system so you don't
have to post any personal details on this (public) thread. If one of the Rootschatters who has offered help is still willing to do so you can PM them and just post a note on this thread to say something like "xxx helping"

I can understand if you want to figure this out yourself, if so there are lots of DNA blogs and help online as you've probably already discovered.  When I first started I joined FTDNA's Adoptee Project as it was useful to me to see how other people had solved their unknown parents/grandparents/ggrandparents line etc.

Offline AndyH81

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Re: DNA ethnicity logic check / Unexpected result
« Reply #74 on: Saturday 08 January 22 17:35 GMT (UK) »
Thanks everyone. It's the outcome that I was expecting, but I guess there was (obviously) still a little part of me who thought things might be wrong.

I forget who mentioned blood transfusions, but I've never had one, and I went and checked and apparently a transfusion would not have any significant effect on the outcome of a DNA test anyhow.

If anyone is prepared to help, I can hand over the information I have gleaned from various sites, the only thing I am reticent to handover is a DNA file. Which, as stated before, is not meant to cast aspersions on anyone - it's just not something I am comfortable with.


Offline Carmella

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Re: DNA ethnicity logic check / Unexpected result
« Reply #75 on: Sunday 09 January 22 15:01 GMT (UK) »
Hi Andy

Can I ask if the mother of your 543cM match is still in process of taking a DNA test?

This result would definitely help you both narrow down your relationship - a full Aunt would share
between 1201 - 2282 cM with you.

Earlier on you've also mentioned that some of your known family & one of your DNA matches
family were living in the same street in the same town...  this seems too much of a coincidence to me.   Have you investigated each person in the households to see if there is any "household mixing"  for want of a better phrase...?

If this was my tree I would also be researching the life story of any man descended in any way from the Common Ancestral couple in Ireland who would be alive at the right time.  Electoral rolls and BMD records might help...




Offline scotmum

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Re: DNA ethnicity logic check / Unexpected result
« Reply #76 on: Sunday 09 January 22 16:28 GMT (UK) »
If anyone is prepared to help, I can hand over the information I have gleaned from various sites, the only thing I am reticent to handover is a DNA file. Which, as stated before, is not meant to cast aspersions on anyone -

In case you aren't aware of it, assuming you have tested via Ancestry (sorry, haven't read full thread), you have an option to invite people as 'viewers' of your DNA results. This does not give them access to your actual DNA file per se, but rather allows them to view your list of matches, shared matches and associated cMs info. This explains it: https://www.rootschat.com/links/01r67/ .

This can prove useful in a situation such as yours, where having someone with more experience of DNA  might be beneficial and/or even just having a fresh pair of eyes look over your results to see if you have missed anything in them, that might prove helpful.
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Offline AndyH81

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Re: DNA ethnicity logic check / Unexpected result
« Reply #77 on: Sunday 09 January 22 18:16 GMT (UK) »
Hi Andy

Can I ask if the mother of your 543cM match is still in process of taking a DNA test?

This result would definitely help you both narrow down your relationship - a full Aunt would share
between 1201 - 2282 cM with you.

Earlier on you've also mentioned that some of your known family & one of your DNA matches
family were living in the same street in the same town...  this seems too much of a coincidence to me.   Have you investigated each person in the households to see if there is any "household mixing"  for want of a better phrase...?

If this was my tree I would also be researching the life story of any man descended in any way from the Common Ancestral couple in Ireland who would be alive at the right time.  Electoral rolls and BMD records might help...

Yes, she is taking a test but I don't know when the results will be ready. By rights I should be a closer match with her mother. I think my biological father is likely to be someone who bridges the people in England and the people in Ireland. Unfortunately I am struggling to figure out exactly which person (or persons) are the one/ones who are the connection(s). That in of itself makes tracing any male descendants difficult. I'm also finding that the people who might be able to answer these questions aren't particularly forthcoming with information which makes it harder again.

Offline Carmella

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Re: DNA ethnicity logic check / Unexpected result
« Reply #78 on: Tuesday 11 January 22 18:44 GMT (UK) »
Hi again Andy,

So after reading scotmum's good suggestion I've had another idea, which is, that an anonymous family tree of the DNA matches could be created.

The common ancestral couple would go at the top, all known descendants below with DNA cM values attached to the relevant person/people.

Each individual could have a false name to protect their identity but their birth year would need to be true.

On this rootschat thread the opening poster gave their relatives the names "Smith" and "Jones":

https://www.rootschat.com/forum/index.php?topic=854524.0

Offline ~Rachel~

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Re: DNA ethnicity logic check / Unexpected result
« Reply #79 on: Tuesday 11 January 22 21:23 GMT (UK) »
Hi Andy,

I have read your thread with great interest. I can't help with any suggestions other than ones which have already been made, however, I wish you all the best with your search and I truly admire the way that you are handling this.

Life is extremely complicated, and it's only in recent years that we have access to so much information. I suspect that in all of our 'trees' somewhere along the line, there will be similar stories.

Good luck with your search and all the best to your dad too.
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Offline Rosinish

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Re: DNA ethnicity logic check / Unexpected result
« Reply #80 on: Wednesday 12 January 22 02:45 GMT (UK) »
In case you aren't aware of it, assuming you have tested via Ancestry you have an option to invite people as 'viewers' of your DNA results. This does not give them access to your actual DNA file per se, but rather allows them to view your list of matches, shared matches and associated cMs info. This explains it: https://www.rootschat.com/links/01r67/ .

This can prove useful in a situation such as yours, where having someone with more experience of DNA  might be beneficial and/or even just having a fresh pair of eyes look over your results to see if you have missed anything in them, that might prove helpful.

This is well worth considering.

I have access to one of my highest matches' trees & he has access to mine, neither of us have access to the others' DNA, only names & trees.

Prior to us having access to each others' trees, we had no idea how we matched (still don't) but I'm almost there now which is also proving to be a NPE or similar (illegitimate).

I'm no expert on DNA but if I can work through the little info. from my matches' tree & find the connection (part of that tree is also wrong) which didn't help, then I'm more than sure Hebb66 will be able to help you.

I've managed to work out quite a few matches of which another was descended from an illegitimate child.
The chap said he had no info. on his mothers' side, whether it was true or not I don't know but he only had his parents' names in his tree, nothing more.  ::)

I done the usual searches, found the death for his mother, was able to get her mothers' m/s & worked back from there with her parents' marriage & bingo in less than 3 hrs  ;D

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