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Thread: Can someone help me? I'm a newbie and not sure how to interpret my DNA results

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    Can someone help me? I'm a newbie and not sure how to interpret my DNA results

    Hello,

    I'm wondering if someone can help me interpret my DNA results. My mother and I both recently tested through Ancestry and were surprised with the high amount of Scandinavian DNA. I've hit a brick wall when it comes to my mom's paternal grandmother's line, so it's possible there is some sort of Scandinavian heritage there, but I'm curious if our high results are possible coming only from this one line. Ancestry listed my Scandinavian as 27% (range of 6-48%) and my mother's as 52% (range of 31-71%).

    Most of my mother's family tree is well-documented as coming from Berlin in 1739 and then immigrated to Pennsylvania before coming to Canada, English and Irish and one Native American ancestor from 1815. The missing gap would be her paternal grandmother's father's line, but I do know they lived in Virginia and likely had deep roots there. I've been able to dig up her birth certificate, which lists her parents' surnames as Gill and Perkinson, but that's as far back as I've gotten there.

    My mother and I have matched with a few people on ancestry that do have a high number of Scandinavian surnames in their trees, but no common ancestor that we've been able to discern. One match in particular that has a very high number of Scandinavian names points the generation value between my mother and them at 4.2. There have been several cousin matches legitimizing family lines, including my grandfather, so no NPE that I can find.

    Here are the Ancestry results:
    Scandinavia 52% (31-71%)
    Great Britain 22% (0-49%)
    Europe South- 10% (0-21%)
    Ireland/Scotland/Wales 6% (0-16%)
    Iberian Peninsula 6% (0-15%)
    Native American 1% (0-2%)
    Africa North <1% (0-2%)
    Finland/Northwest Russia <1% (0-3%)
    Asia South <1% (0-2%)
    Europe West <1% - Your DNA shows that you have ancestry from Europe West and links you to these specific regions: Southern States Settlers and Tennessee and Southern States Settlers.

    Her GEDmatch kit number: A057123 (mine is A560736)

    Here are my mother's Gedmatch results from the Eurogenes EUtest V2 K15:

    Admix Results (sorted):

    # Population Percent
    1 North_Sea 38.71
    2 Atlantic 24.22
    3 West_Med 9.42
    4 Eastern_Euro 7.97
    5 Baltic 7.16
    6 East_Med 5.51
    7 West_Asian 3.38
    8 Amerindian 2.30

    Finished reading population data. 207 populations found.
    15 components mode.

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

    Least-squares method.

    Using 1 population approximation:
    1 West_German at 7.110915
    2 Orcadian at 7.721382
    3 Southwest_English at 7.974262
    4 Southeast_English at 8.001391
    5 North_Dutch at 8.119398
    6 Danish at 8.616228
    7 West_Scottish at 9.094445
    8 West_Norwegian at 9.295391
    9 Norwegian at 9.349370
    10 Irish at 9.541336
    11 South_Dutch at 10.480160
    12 North_German at 10.700602
    13 Swedish at 11.153094
    14 French at 13.000368
    15 North_Swedish at 14.348869
    16 East_German at 17.798307
    17 Southwest_Finnish at 21.162668
    18 Spanish_Galicia at 21.195934
    19 Hungarian at 21.529179
    20 Spanish_Cataluna at 22.066292

    Using 2 populations approximation:
    1 50% Orcadian +50% West_German at 4.592836


    Using 3 populations approximation:
    1 50% Orcadian +25% West_German +25% West_German at 4.592836


    Using 4 populations approximation:
    ++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++++++
    1 Orcadian + Orcadian + West_German + West_German at 4.592836
    2 Orcadian + West_German + West_German + West_Norwegian at 4.707732
    3 French + Orcadian + West_German + West_Norwegian at 5.018607
    4 Southeast_English + West_German + West_German + West_Norwegian at 5.086792
    5 Orcadian + West_German + West_German + West_Scottish at 5.101473
    6 Norwegian + Orcadian + West_German + West_German at 5.115989
    7 Orcadian + Southeast_English + West_German + West_German at 5.121115
    8 French + West_German + West_Norwegian + West_Norwegian at 5.133817
    9 Spanish_Murcia + West_Norwegian + West_Norwegian + West_Norwegian at 5.147927
    10 West_German + West_German + West_Norwegian + West_Scottish at 5.164662
    11 Southwest_English + West_German + West_German + West_Norwegian at 5.176528
    12 Orcadian + Portuguese + West_Norwegian + West_Norwegian at 5.179258
    13 North_Dutch + Orcadian + West_German + West_German at 5.191581
    14 Spanish_Extremadura + West_Norwegian + West_Norwegian + West_Norwegian at 5.220688
    15 Portuguese + West_Norwegian + West_Norwegian + West_Norwegian at 5.224797
    16 North_Italian + Orcadian + West_Norwegian + West_Norwegian at 5.226709
    17 Orcadian + West_German + West_German + West_German at 5.228301
    18 Orcadian + Southwest_English + West_German + West_German at 5.231803
    19 Orcadian + Spanish_Galicia + West_Norwegian + West_Norwegian at 5.234926
    20 Danish + Orcadian + West_German + West_German at 5.246128

    Seeing these results, as well as the results from Ancestry, are we safe to assume there must be a fairly recent Scandinavian ancestor lurking in our lineage somewhere, or is this just Ancestry's inflated Scandinavian results? Is it possible this could be a misinterpretation of the German, English and Irish ancestry we have documented?

    I guess the real question I have is how likely it is that we truly have an ancestor or ancestors that are authentically Scandinavian?

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  3. #2
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    Checking your mom's kit number on the one-to-many matches for emails ending in .no, .se or .fi did not show any hits. It's a bit crude, but for myself I get a lot of hits for the .fi and of course a lot of Finnish surnames, so I know it's a quick but effective check.

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    Quote Originally Posted by therrien.joel View Post
    Checking your mom's kit number on the one-to-many matches for emails ending in .no, .se or .fi did not show any hits. It's a bit crude, but for myself I get a lot of hits for the .fi and of course a lot of Finnish surnames, so I know it's a quick but effective check.
    Thanks for that, that is a really good way to sort through matches.

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    Quote Originally Posted by englishrosesinapril View Post
    Hello,

    I'm wondering if someone can help me interpret my DNA results. My mother and I both recently tested through Ancestry and were surprised with the high amount of Scandinavian DNA. I've hit a brick wall when it comes to my mom's paternal grandmother's line, so it's possible there is some sort of Scandinavian heritage there, but I'm curious if our high results are possible coming only from this one line. Ancestry listed my Scandinavian as 27% (range of 6-48%) and my mother's as 52% (range of 31-71%).

    Most of my mother's family tree is well-documented as coming from Berlin in 1739 and then immigrated to Pennsylvania before coming to Canada, English and Irish and one Native American ancestor from 1815. The missing gap would be her paternal grandmother's father's line, but I do know they lived in Virginia and likely had deep roots there. I've been able to dig up her birth certificate, which lists her parents' surnames as Gill and Perkinson, but that's as far back as I've gotten there.

    My mother and I have matched with a few people on ancestry that do have a high number of Scandinavian surnames in their trees, but no common ancestor that we've been able to discern. One match in particular that has a very high number of Scandinavian names points the generation value between my mother and them at 4.2. There have been several cousin matches legitimizing family lines, including my grandfather, so no NPE that I can find.

    Here are the Ancestry results:
    Scandinavia 52% (31-71%)
    Great Britain 22% (0-49%)
    Europe South- 10% (0-21%)
    Ireland/Scotland/Wales 6% (0-16%)
    Iberian Peninsula 6% (0-15%)
    Native American 1% (0-2%)
    Africa North <1% (0-2%)
    Finland/Northwest Russia <1% (0-3%)
    Asia South <1% (0-2%)
    Europe West <1% - Your DNA shows that you have ancestry from Europe West and links you to these specific regions: Southern States Settlers and Tennessee and Southern States Settlers.

    Her GEDmatch kit number: A057123 (mine is A560736)

    Here are my mother's Gedmatch results from the Eurogenes EUtest V2 K15:

    Admix Results (sorted):

    # Population Percent
    1 North_Sea 38.71
    2 Atlantic 24.22
    3 West_Med 9.42
    4 Eastern_Euro 7.97
    5 Baltic 7.16
    6 East_Med 5.51
    7 West_Asian 3.38
    8 Amerindian 2.30

    Finished reading population data. 207 populations found.
    15 components mode.

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

    Least-squares method.

    Using 1 population approximation:
    1 West_German at 7.110915
    2 Orcadian at 7.721382
    3 Southwest_English at 7.974262
    4 Southeast_English at 8.001391
    5 North_Dutch at 8.119398
    6 Danish at 8.616228
    7 West_Scottish at 9.094445
    8 West_Norwegian at 9.295391
    9 Norwegian at 9.349370
    10 Irish at 9.541336
    11 South_Dutch at 10.480160
    12 North_German at 10.700602
    13 Swedish at 11.153094
    14 French at 13.000368
    15 North_Swedish at 14.348869
    16 East_German at 17.798307
    17 Southwest_Finnish at 21.162668
    18 Spanish_Galicia at 21.195934
    19 Hungarian at 21.529179
    20 Spanish_Cataluna at 22.066292

    Using 2 populations approximation:
    1 50% Orcadian +50% West_German at 4.592836


    Using 3 populations approximation:
    1 50% Orcadian +25% West_German +25% West_German at 4.592836


    Using 4 populations approximation:
    ++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++++++
    1 Orcadian + Orcadian + West_German + West_German at 4.592836
    2 Orcadian + West_German + West_German + West_Norwegian at 4.707732
    3 French + Orcadian + West_German + West_Norwegian at 5.018607
    4 Southeast_English + West_German + West_German + West_Norwegian at 5.086792
    5 Orcadian + West_German + West_German + West_Scottish at 5.101473
    6 Norwegian + Orcadian + West_German + West_German at 5.115989
    7 Orcadian + Southeast_English + West_German + West_German at 5.121115
    8 French + West_German + West_Norwegian + West_Norwegian at 5.133817
    9 Spanish_Murcia + West_Norwegian + West_Norwegian + West_Norwegian at 5.147927
    10 West_German + West_German + West_Norwegian + West_Scottish at 5.164662
    11 Southwest_English + West_German + West_German + West_Norwegian at 5.176528
    12 Orcadian + Portuguese + West_Norwegian + West_Norwegian at 5.179258
    13 North_Dutch + Orcadian + West_German + West_German at 5.191581
    14 Spanish_Extremadura + West_Norwegian + West_Norwegian + West_Norwegian at 5.220688
    15 Portuguese + West_Norwegian + West_Norwegian + West_Norwegian at 5.224797
    16 North_Italian + Orcadian + West_Norwegian + West_Norwegian at 5.226709
    17 Orcadian + West_German + West_German + West_German at 5.228301
    18 Orcadian + Southwest_English + West_German + West_German at 5.231803
    19 Orcadian + Spanish_Galicia + West_Norwegian + West_Norwegian at 5.234926
    20 Danish + Orcadian + West_German + West_German at 5.246128

    Seeing these results, as well as the results from Ancestry, are we safe to assume there must be a fairly recent Scandinavian ancestor lurking in our lineage somewhere, or is this just Ancestry's inflated Scandinavian results? Is it possible this could be a misinterpretation of the German, English and Irish ancestry we have documented?

    I guess the real question I have is how likely it is that we truly have an ancestor or ancestors that are authentically Scandinavian?
    You have <1% Europe West which is where your German Ancestors could have been assigned according to the maps. Instead, they got assigned to either Great Britain or Scandinavia. There are a lot of overlapping alleles for these three categories because of cross migrations over the millennia. Having a high Scandinavian score does not necessarily mean a recent ancestor born in that region. It just means that your ancestors from Berlin are genetically similar to the some of the reference samples used for Scandinavia.

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     englishrosesinapril (12-19-2017)

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    Quote Originally Posted by therrien.joel View Post
    Checking your mom's kit number on the one-to-many matches for emails ending in .no, .se or .fi did not show any hits. It's a bit crude, but for myself I get a lot of hits for the .fi and of course a lot of Finnish surnames, so I know it's a quick but effective check.
    That's a great tip, thanks for mentioning that. I didn't think to look for email address origins. So I guess I'm safe to say that whatever true Scandinavian DNA the GEDmatch tests are picking up must be more ancient as opposed to modern, ie Viking?

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    I suppose that makes sense when you look at where Berlin is geographically. I so wish we had the technology to truly know what is what definitively, but I guess history had other ideas.

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    Looking through Gedmatch genesis I seem to have quite a few German and French matches. I have my doubts.

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    Quote Originally Posted by timberwolf View Post
    Looking through Gedmatch genesis I seem to have quite a few German and French matches. I have my doubts.
    So you'd agree that it's most likely the Northern German is just being expressed as Scandinavian then?

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    Most likely. It's important to remember that these calculators are working a bit like someone with a pile of colored tiles. The exact number and colors of the tiles restrict what mural you can make, but they don't narrow it down to just one. But if you use multiple calculators and they show a pattern, then you have a better chance that they are giving you a hint. But even still, it is hard often to say if the source is modern or ancient.

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    Quote Originally Posted by englishrosesinapril View Post
    So you'd agree that it's most likely the Northern German is just being expressed as Scandinavian then?
    I just went on email addresses, I have a few that were .de and .fr

    In my case, my paper trail, is completely Brit and Irish back to the 18th century. It is o'course possible, that I have made a error somewhere, and there is the family rumor of Huguenot ancestry, but even if that is the case, it would be about 7-10 generations back.

    Bearing in mind that Ancestry states their estimate is thousands of years ago, it may be your Scandinavian is reflecting ancient ancestry. For example my Europe West is 28%, without anyone from that region on my paper trail.

    Best thing you can possibly do, is try and find a common ancestor with your matches, until then be skeptical.

    Good luck

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