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Thread: AncestryDNA results vs GEDmatch etc..

  1. #11
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    Colonial English plus a little German.
    Kiln, we have a very similar dilemma. I am 5/8 Colonial, 1/4 German, and 1/8 Irish and I get:
    51% Europe West
    24% Ireland
    7% Scandinavia
    5% Great Britain
    6% Europe East
    4% Italy/Greece
    2% Middle East
    <1% Iberian Peninsula.

    Interesting you have so much Iberian.

  2. #12
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    However, Eurogenes doesn't nail it for me. My number one population is West_German, followed by various Scandiavian populations.

  3. #13
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    Since the thread specifically mentions Gedmatch, the only thing I can say there is that every calculator is different, so you can't really talk about Gedmatch generally. I consider some of the calculators to be pretty good, but others are perhaps not so good.

    Some of the calculators are even designed for people of certain principal ethnicities, and won't work as well for others.
    Besides British-German-Catalan, ancestry includes smaller amounts of French, Irish, Swiss, Choctaw & another NA tribe, possibly Catawba. Avatar picture is: my father, his father, & his father's father; baby is my eldest brother.

    GB

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    I haven't used Gedmatch or Ancestry so I can't comment on them but from what I know My Origins seems to have read me just about right. Although, I do wonder about one aspect of their results.

    The vast majority of my known ancestry is Scots, Irish and English. However, my mother's paternal Grandfather was half Italian and half German. Beyond that I can't delineate because our knowledge of that line stops in the 1830s with his German mother Anna.

    So here are my results.

    Attachment 11093

    The one thing I wonder about is the Southern European reading which seems a lot higher than I would have thought. Maybe they're picking up a more ancient reading, which I have heard some suggest that they do. Or perhaps, through the wonders of recombination, I'm more Italian than I thought. ;-)
    Last edited by JMcB; 08-20-2016 at 04:44 PM.

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    Quote Originally Posted by jpb View Post
    Kiln, we have a very similar dilemma. I am 5/8 Colonial, 1/4 German, and 1/8 Irish and I get:
    51% Europe West
    24% Ireland
    7% Scandinavia
    5% Great Britain
    6% Europe East
    4% Italy/Greece
    2% Middle East
    <1% Iberian Peninsula.

    Interesting you have so much Iberian.
    My Iberian seems a few points high.

    I can't find it in family tree either.


    Quote Originally Posted by JMcB View Post
    I haven't used Gedmatch or Ancestry so I can't comment on them but from what I know My Origins seems to have read me just about right. Although, I do wonder about one aspect of their results.

    The vast majority of my known ancestry is Scots, Irish and English. However, my mother's paternal Grandfather was half Italian and half German. Beyond that I can't delineate because our knowledge of that line stops in the 1830s with his German mother Anna.

    So here are my results.

    Attachment 11093

    The one thing I wonder about is the Southern European reading which seems a lot higher than I would have thought. Maybe they're picking up a more ancient reading, which I have heard some suggest that they do. Or perhaps, through the wonders of recombination, I'm more Italian than I thought. ;-)


    Celts have some connection to Iberia.

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    I'm one of those who also found my Ancestry test to be very disappointing, but I thought the FTDNA my origins lined up pretty well with the paper trail.
    I wonder why it is that Ancestry will do so well for one person but not another, or the same thing with MyOrigins? I could be wrong but it appears to me that people generally have the least complaints about 23andme.

  9. #17
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    Quote Originally Posted by NewAlbion View Post
    Not to be rude but there seems to be some kind of liberal agenda against using these tests to identify primarily with one tribe or ethnicity. It won't change who am I am profoundly either way : I'll still identify as Anglo-Celtic rather than Anglo-Saxon. I just prefer the Scots and Cornish over the Irish because of the history of invention and science in these regions comparatively speaking. I'm not saying that means I am going to necessarily make any scientific breakthroughs or major inventions but still... the Scots etc.. are brother Gods of the Irish. Anyway, even if ancestryDNA is correct that could still mean I am like a highland Scot rather than Irish or a lowland Scot. Honestly, the true Irish should have nothing in common with the Germanics that is another reason why I have problems identifying as Irish. The companies like AncestryDNA seem to have a liberal agenda for not identifying with one tribe e.g. British, Scots, or German or whatever one's closest ethnic analogue may be.
    I would be more likely to go with what a company like Ancestry says or 23&Me. Gedmatch is just a secondary application that uses calculators to place you in populations closest to your results.

    I'm fully Irish and I've used all 3 companies.

    My results from Ancestry were

    91% Ireland
    Trace Regions
    3% Europe East
    2% Europe West
    1% Scandinavia
    1% European Jewish
    2% Great Britain (forgot to add this)

    Most people from the UK will get a percentage of Ireland in their results and it doesn't necessarily translate to actual Irish ancestry.

    My Eurogenes K13 however has my top population as North Dutch and I come out as 50% Norwegian. So while Gedmatch is usuful and entertaining it can't really be used in place of something like 23andMe, FTDNA or Ancestry. What people fail to realise is that whether people are "Celtic" or "Germanic" these are language groups and all people in Northwest Europe are very similar genetically. Regarding whether the Irish have contributed less to science is more down to historical reasons than genetics. A history book would be more informative in looking at reasons for why some populations had more opportunities than others in certain areas.
    Last edited by Jessie; 09-16-2016 at 05:56 AM.

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    Here is my EU test so people can compare.

    Admix Results (sorted):


    # Population Percent
    1 ATLANTIC 29.05
    2 NORTH-CENTRAL_EURO 28.74
    3 SOUTH_BALTIC 14.54
    4 EAST_EURO 11.64
    5 WEST_MED 8.13
    6 WEST_ASIAN 6.85
    7 EAST_MED 1.05

    Single Population Sharing:


    # Population (source) Distance
    1 Orcadian 3.19
    2 IE 3.78
    3 Scottish 4.07
    4 English 5.65
    5 NL 6.04
    6 DK 6.08
    7 Cornish 6.09
    8 NO 6.34
    9 West_&_Central_German 6.73
    10 South_&_Central_Swedish 7.01
    11 North_Swedish 10.75
    12 AT 13.82
    13 FR 14.7
    14 HU 18.52
    15 South_Finnish 19.56
    16 Serbian 21.37
    17 PT 22.12
    18 PL 22.12
    19 ES 22.35
    20 EE 24.12

    Mixed Mode Population Sharing:


    # Primary Population (source) Secondary Population (source) Distance
    1 68% Scottish + 32% South_&_Central_Swedish @ 2.7
    2 66.1% Scottish + 33.9% NO @ 2.85
    3 83.2% Orcadian + 16.8% South_&_Central_Swedish @ 2.92
    4 72.8% IE + 27.2% South_&_Central_Swedish @ 2.93
    5 83.7% Orcadian + 16.3% NO @ 3
    6 97.7% Orcadian + 2.3% Lezgin @ 3
    7 96% Orcadian + 4% EE @ 3.03
    8 96.8% Orcadian + 3.2% LIT @ 3.04
    9 92% Orcadian + 8% North_Swedish @ 3.06
    10 98.5% Orcadian + 1.5% GE @ 3.07
    11 97.2% Orcadian + 2.8% Belorussian @ 3.1
    12 72.1% IE + 27.9% NO @ 3.11
    13 97.6% Orcadian + 2.4% Northwest_Russian @ 3.11
    14 96.9% Orcadian + 3.1% PL @ 3.11
    15 97.2% Orcadian + 2.8% East_Finnish @ 3.11
    16 97.3% Orcadian + 2.7% West_Russian @ 3.12
    17 96.7% Orcadian + 3.3% South_Finnish @ 3.12
    18 97.5% Orcadian + 2.5% UA @ 3.13
    19 97.7% Orcadian + 2.3% Ukrainian-Russian @ 3.13
    20 98% Orcadian + 2% Erzya @ 3.13

    Using 2 populations approximation:
    1 50% Orcadian +50% Orcadian @ 3.586883


    Using 3 populations approximation:
    1 50% IE +25% Scottish +25% South_&_Central_Swedish @ 3.138446


    Using 4 populations approximation:
    1 IE + Scottish + Scottish + South_&_Central_Swedish @ 3.093390
    2 Orcadian + Scottish + Scottish + South_&_Central_Swedish @ 3.097898
    3 IE + Orcadian + Scottish + South_&_Central_Swedish @ 3.126189
    4 IE + IE + Scottish + South_&_Central_Swedish @ 3.138446
    5 Orcadian + Orcadian + Scottish + South_&_Central_Swedish @ 3.172408
    6 Scottish + Scottish + Scottish + South_&_Central_Swedish @ 3.184580
    7 NO + Orcadian + Scottish + Scottish @ 3.242635
    8 IE + IE + Orcadian + South_&_Central_Swedish @ 3.273401
    9 NO + Orcadian + Orcadian + Scottish @ 3.274760
    10 IE + NO + Orcadian + Scottish @ 3.277389
    11 IE + NO + Scottish + Scottish @ 3.286388
    12 IE + IE + IE + South_&_Central_Swedish @ 3.298187
    13 IE + Orcadian + Orcadian + South_&_Central_Swedish @ 3.313722
    14 IE + IE + NO + Scottish @ 3.334099
    15 NO + Scottish + Scottish + Scottish @ 3.356885
    16 English + Scottish + Scottish + South_&_Central_Swedish @ 3.367349
    17 Orcadian + Orcadian + Orcadian + South_&_Central_Swedish @ 3.401448
    18 IE + NO + Orcadian + Orcadian @ 3.418174
    19 IE + IE + NO + Orcadian @ 3.420750
    20 NO + Orcadian + Orcadian + Orcadian @ 3.460329
    Last edited by Jessie; 09-16-2016 at 04:41 AM.

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  13. #19
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    Quote Originally Posted by Kiln View Post
    My Iberian seems a few points high.

    I can't find it in family tree either.






    Celts have some connection to Iberia.
    A common misconception by people. I'm not sure where it comes from but the rule appears to be geographic proximity. If you come from a population closer to Spain / Portugal you are likely to have higher Iberian and this goes for things like Scandinavian, Europe West etc. Irish and Scots have less Iberian than English and also if you are German you are likely to have higher Iberian. So the "Celtic" thing is a bit inaccurate.

    I think the hardest thing for people is to let go of some old and outdated information regarding populations. Of course some of these things never die no matter what the evidence shows.

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    Quote Originally Posted by Jessie View Post
    I would be more likely to go with what a company like Ancestry says or 23&Me. Gedmatch is just a secondary application that uses calculators to place you in populations closest to your results.

    I'm fully Irish and I've used all 3 companies.

    My results from Ancestry were

    91% Ireland
    Trace Regions
    3% Europe East
    2% Europe West
    1% Scandinavia
    1% European Jewish

    Most people from the UK will get a percentage of Ireland in their results and it doesn't necessarily translate to actual Irish ancestry.

    My Eurogenes K13 however has my top population as North Dutch and I come out as 50% Norwegian. So while Gedmatch is usuful and entertaining it can't really be used in place of something like 23andMe, FTDNA or Ancestry. What people fail to realise is that whether people are "Celtic" or "Germanic" these are language groups and all people in Northwest Europe are very similar genetically. Regarding whether the Irish have contributed less to science is more down to historical reasons than genetics. A history book would be more informative in looking at reasons for why some populations had more opportunities than others in certain areas.
    Hi Jessie,

    I did my ancestryDNA test recently, and to my surprise my only non-trace regions were Britain at 73% and Ireland at 6%. I expected a much greater Irish component given my ancestors include many Gaelic / Highland Scottish as well as Welsh speaking people. My Gedmatch results for the ancestry kit are:

    # Population Percent
    1 ATLANTIC 27.26
    2 NORTH-CENTRAL_EURO 25.27
    3 SOUTH_BALTIC 14.91
    4 WEST_MED 12.13
    5 EAST_EURO 11.02
    6 WEST_ASIAN 6.34
    7 SIBERIAN 2.08


    Finished reading population data. 78 populations found.
    13 components mode.

    --------------------------------

    Least-squares method.

    Using 1 population approximation:
    1 Orcadian @ 5.320445
    2 IE @ 5.557007
    3 Cornish @ 5.909720
    4 NL @ 6.221287
    5 English @ 7.090277
    6 West_&_Central_German @ 7.103646
    7 Scottish @ 7.127876
    8 DK @ 8.676942
    9 NO @ 8.865813
    10 South_&_Central_Swedish @ 9.470847
    11 North_Swedish @ 12.807658
    12 AT @ 13.192289
    13 FR @ 13.201672
    14 HU @ 18.127720
    15 South_Finnish @ 21.391369
    16 PT @ 21.590019
    17 ES @ 21.643776
    18 Serbian @ 22.437931
    19 PL @ 23.638054
    20 North_Italian @ 25.269634

    Using 2 populations approximation:
    1 50% IE +50% NL @ 4.867750


    Using 3 populations approximation:
    1 50% IE +25% IE +25% West_&_Central_German @ 4.856452


    Using 4 populations approximation:
    1 HU + IE + IE + IE @ 4.142177
    2 HU + IE + IE + Scottish @ 4.266030
    3 AT + IE + IE + IE @ 4.293591
    4 HU + IE + IE + Orcadian @ 4.305387
    5 AT + IE + IE + Orcadian @ 4.401197
    6 HU + IE + Orcadian + Scottish @ 4.437197
    7 FR + IE + IE + North_Swedish @ 4.482569
    8 HU + IE + Scottish + Scottish @ 4.484679
    9 AT + IE + IE + Scottish @ 4.494554
    10 HU + IE + Orcadian + Orcadian @ 4.505452
    11 Cornish + HU + IE + IE @ 4.518355
    12 AT + IE + Orcadian + Orcadian @ 4.542547
    13 FR + IE + IE + South_&_Central_Swedish @ 4.571366
    14 FR + IE + North_Swedish + Scottish @ 4.606003
    15 Cornish + HU + IE + Scottish @ 4.611389
    16 AT + IE + Orcadian + Scottish @ 4.612475
    17 FR + IE + North_Swedish + Orcadian @ 4.627069
    18 AT + Cornish + IE + IE @ 4.627154
    19 HU + Orcadian + Orcadian + Scottish @ 4.644990
    20 English + HU + IE + IE @ 4.645694

    So while they're definitely not exact, our results seem similar enough that I figure I'd have at least a decent fraction of Irish showing on my ethnicity prediction. I'm writing this as support for the argument against AncestryDNA. (But don't get me wrong for some folks it seems fine, after all it did a great job with your prediction).

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