Author Topic: DNA query  (Read 386 times)

Offline Shropshire Lass

  • RootsChat Aristocrat
  • ******
  • Posts: 1,355
    • View Profile
DNA query
« on: Monday 19 February 24 13:34 GMT (UK) »
A new relative has cropped up on Ancestry and I’m trying to work who could be the father.
Can anyone help, working it out from the amounts of shared dna?
(I’ve used names to make it easier to talk about them but they aren’t the real names of the people involved)

Known relative line:
Alfred and 1st wife Clare --- son Fred --- grandson Glyn.
Alfred and 2nd wife Doris --- daughter Helen --- grandson Ian.
Ian shares 11% dna - 766cM with Glyn.

New connection:
Unknown father --- daughter Kim --- granddaughter Laura – g.granddaughter Mary.
Laura shares 6% dna – 446cM with Glyn.
Mary shares 4% with Glyn and 5% with Ian.

Possible complicating factor:
Alfred’s wives were full blood sisters.

Could Alfred be Kim’s father or do the dna amounts make it more likely that it’s one of his brothers – two of them were of an age and living in the right area.

Will be grateful for any suggestions.
Census information is Crown Copyright, from www.nationalarchives.gov.uk

Offline rsel

  • RootsChat Senior
  • ****
  • Posts: 357
  • Census information Crown Copyright, from www.nationalarchives.gov.uk
    • View Profile
Re: DNA query
« Reply #1 on: Monday 19 February 24 14:20 GMT (UK) »
Hi Shropshire Lass,
    have a look at the https://dnapainter.com/tools/sharedcmv4 website.  You enter the shared cM value, and it gives the expected relationships for the match size.   Now using your 446 number for Laura and Glyn, it gives the following :

84% Possibility for one of the following : Great-Great-Aunt / Uncle, Half Great-Aunt / Uncle, Half 1C,  1C1R, Half Great-Niece / Nephew, Great-Great-Niece / Nephew

  So based on those numbers, then in theory Alfred could be Kim's father. 

Richard
Sellens - Sussex
Newham - Surrey
Wellington - Dagenham, Essex
Camp - South Essex
Wren - Essex
Livermore - Essex
Wane - Essex
Fisk - Essex / Suffolk
Bailey/Bayley - Sussex
Newton - Sussex
Funnell - Sussex
Streeter - Sussex
Coates - Sussex
Maisey - Surrey

Offline Shropshire Lass

  • RootsChat Aristocrat
  • ******
  • Posts: 1,355
    • View Profile
Re: DNA query
« Reply #2 on: Monday 19 February 24 16:17 GMT (UK) »
Thanks for that.

It does look as if he is the most likely person. So far, no-one in the family seems to have had any idea about it - a well-kept secret.
Census information is Crown Copyright, from www.nationalarchives.gov.uk

Offline ColinBignell

  • RootsChat Extra
  • **
  • Posts: 49
  • Image licenced from iStock
    • View Profile
Re: DNA query
« Reply #3 on: Monday 19 February 24 16:30 GMT (UK) »
What is a family tree without a few well kept secrets? ;)
BIGNELL Oxon, Newport Pagnell Bucks, Highgate, Islington North London
MIDDLETON King's Lynn Norfolk
WILKINSON Islington North London
FARNBANK Berks, Middx
REYNOLDS Newport Pagnell Bucks
GOODING Middx
JEROME Berks
BARKER King's Lynn Norfolk


Offline Biggles50

  • RootsChat Veteran
  • *****
  • Posts: 937
    • View Profile
Re: DNA query
« Reply #4 on: Monday 19 February 24 17:48 GMT (UK) »
Do not rely on results from DNA Painter!

Its data is not reliable where there is a Pedigree Collapse or Endogamy and this is certainly the case here.

Look on the Shared Match page in the grey box labelled Important to see this caveat.

That said in the absense of any other supporting information the assumption that Albert was the Father is reasonable but I suggest you add an explanatory flag to and branch from him to Laura and Mary.

Offline Shropshire Lass

  • RootsChat Aristocrat
  • ******
  • Posts: 1,355
    • View Profile
Re: DNA query
« Reply #5 on: Tuesday 20 February 24 12:34 GMT (UK) »
Thanks, Biggles.

I'll certainly do that on the family tree but we would also like to be as sure as possible so that Laura can finally learn who her mother's father was.

We've just had another dna match come up (after no close ones appearing for years) so that might help narrow the options as well.
Census information is Crown Copyright, from www.nationalarchives.gov.uk