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Thread: Cornish and Breton ancestry and DNA

  1. #11
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    Interesting news John, I recently send back my ftdna y37 test, so I have no idea what to expect, or how to use the results, so might need to pester you if I don't understand it.
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     JohnHowellsTyrfro (06-22-2017)

  3. #12
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    My Jtest results

    Admix Results (sorted):


    Population Percent
    1 ATLANTIC 30.06
    2 NORTH-CENTRAL_EURO 25.88
    3 SOUTH_BALTIC 10.99
    4 WEST_MED 10.98
    5 EAST_EURO 10.73
    6 WEST_ASIAN 4.13
    7 EAST_MED 3.88
    8 ASHKENAZI 3.36


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

    Least-squares method.

    Using 1 population approximation:
    1 Cornish 2.744079
    2 IE 4.331039
    3 Orcadian 4.378517
    4 Scottish 4.904027
    5 English 5.387403
    6 NL 6.268162
    7 West_&_Central_German 7.115040
    8 DK 8.646599
    9 NO 10.952497
    10 FR 11.035776
    11 South_&_Central_Swedish 12.041159
    12 AT 14.640035
    13 North_Swedish 15.639019
    14 ES 18.833569
    15 PT 19.117764
    16 HU 20.770582
    17 Serbian 22.875212
    18 French_Basque 23.428617
    19 North_Italian 23.703602
    20 South_Finnish 24.614321

    Using 2 populations approximation:
    1 50% Cornish +50% Cornish 2.744079


    Using 3 populations approximation:
    1 50% Cornish +25% Cornish +25% Scottish 2.589771


    Using 4 populations approximation:
    ++++++++++++++++++++++++++++++++++++
    1 FR + IE + Scottish + Scottish 1.964777
    2 FR + Scottish + Scottish + Scottish 2.033781
    3 FR + Orcadian + Scottish + Scottish 2.074021
    4 Cornish + FR + Scottish + Scottish 2.096163
    5 FR + IE + IE + Scottish 2.135735
    6 FR + IE + Orcadian + Scottish 2.168334
    7 Cornish + FR + IE + Scottish 2.269351
    8 English + FR + Scottish + Scottish 2.277545
    9 FR + Orcadian + Orcadian + Scottish 2.332806
    10 Cornish + FR + Orcadian + Scottish 2.417599
    11 FR + NL + Scottish + Scottish 2.479566
    12 FR + IE + IE + IE 2.488841
    13 FR + IE + IE + Orcadian 2.491671
    14 English + FR + IE + Scottish 2.511067
    15 FR + Scottish + Scottish + West_&_Central_German 2.543703
    16 PT + Scottish + Scottish + Scottish 2.563967
    17 FR + IE + Orcadian + Orcadian 2.576207
    18 Cornish + Cornish + Cornish + Scottish 2.589771
    19 Cornish + FR + IE + IE 2.599611
    20 IE + PT + Scottish + Scottish 2.642537

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     JonikW (06-22-2017)

  5. #13
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    This is my JTest Single Population Oracle

    # Population Percent
    1 NORTH-CENTRAL_EURO 29.56
    2 ATLANTIC 27.57
    3 WEST_MED 12.33
    4 SOUTH_BALTIC 10.54
    5 EAST_MED 6.02
    6 EAST_EURO 5.11
    7 ASHKENAZI 4.74
    8 WEST_ASIAN 3.83
    9 SIBERIAN 0.29


    # Population (source) Distance
    1 English 5.97
    2 Cornish 6.75
    3 NL 7.55
    4 West_&_Central_German 8.03
    5 Orcadian 8.53
    6 FR 8.73
    7 IE 8.95
    8 Scottish 9.3
    9 DK 10.12
    10 NO 12.31
    11 South_&_Central_Swedish 13.07
    12 AT 14.32
    13 PT 15.18
    14 ES 15.58
    15 North_Swedish 17.13
    16 North_Italian 19.02
    17 HU 19.96
    18 Serbian 20.75
    19 French_Basque 21.85
    20 Tuscan 22.41
    Last edited by MacEochaidh; 06-22-2017 at 11:13 PM.
    Y-DNA R-DF23>ZP149>ZP171 MDKA Thomas Doherty, b. 1825, Three Trees, Donegal, Ireland.
    mtDNA T2g1 MDKA Francoise Arguin, b. 1698, Camaret-Sur-Mer, Bretagne, France

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  7. #14
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    Sorry, why is the JTest relevant in this instance?
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     JohnHowellsTyrfro (06-22-2017)

  9. #15
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    Quote Originally Posted by sgdavies@hotmail.com View Post
    Sorry, why is the JTest relevant in this instance?
    It is relevant because the JTest Oracle includes a Cornish Population result. Most tests don't give you a Cornish result.
    Y-DNA R-DF23>ZP149>ZP171 MDKA Thomas Doherty, b. 1825, Three Trees, Donegal, Ireland.
    mtDNA T2g1 MDKA Francoise Arguin, b. 1698, Camaret-Sur-Mer, Bretagne, France

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  11. #16
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    Quote Originally Posted by sgdavies@hotmail.com View Post
    Interesting news John, I recently send back my ftdna y37 test, so I have no idea what to expect, or how to use the results, so might need to pester you if I don't understand it.
    Someone asking ME to interpret DNA results !
    Of course I'm happy to help as best I can despite my limitations. John

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  13. #17
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    Can I ask a question on this?
    Apparently there was quite significant settlement by Bretons in some areas of the Welsh Borders post-conquest and I think earlier, Herefordshire and Gloucestershire in particular. Also parts of Norfolk I understand. Could Cornish be confused with Breton or are the populations distinctively different? Just wondering. John

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  15. #18
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    Quote Originally Posted by JohnHowellsTyrfro View Post
    Can I ask a question on this?
    Apparently there was quite significant settlement by Bretons in some areas of the Welsh Borders post-conquest and I think earlier, Herefordshire and Gloucestershire in particular. Also parts of Norfolk I understand. Could Cornish be confused with Breton or are the populations distinctively different? Just wondering. John
    I have never heard of this John but would like to know more. Do you have any sources? Thanks
    Living DNA Cautious mode:
    South Wales Border-related ancestry: 86.8%
    Cornwall: 8%
    Cumbria-related ancestry: 5.2%
    Y line: Peak District, England. Big Y match: Scania, Sweden; TMRCA 1,280 ybp (YFull);
    mtDNA: traces to Glamorgan, Wales, 18th century. Mother's Y line (Wales): R-L21 L371

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  17. #19
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    Dad gets 2.2% Cornwall in Living DNA Complete mode.

    His JTest:

    1 NORTH-CENTRAL_EURO 24.95
    2 ATLANTIC 22.39
    3 WEST_MED 13.57
    4 SOUTH_BALTIC 12.46
    5 EAST_EURO 7.36
    6 ASHKENAZI 6.63
    7 EAST_MED 6.15
    8 WEST_ASIAN 5.19
    9 MIDDLE_EASTERN 1.19
    10 SOUTH_ASIAN 0.11

    Single Population Sharing:

    # Population (source) Distance
    1 FR 6.57
    2 West_&_Central_German 6.61
    3 NL 7.06
    4 English 7.78
    5 Cornish 8.12
    6 AT 8.83
    7 Orcadian 10.12
    8 DK 10.7
    9 IE 10.79
    10 Scottish 11.74
    11 NO 12.32
    12 PT 12.71
    13 South_&_Central_Swedish 12.71
    14 ES 13.82
    15 HU 14.13
    16 North_Italian 14.99
    17 Serbian 15.01
    18 North_Swedish 16.14
    19 RO 17.25
    20 Tuscan 18.92

    Using 4 populations approximation:
    +++++++++++++++++++++++++++++++++++++++++++
    1 English + NL + NL + Tuscan @ 3.730321
    2 English + FR + South_&_Central_Swedish + Tuscan @ 3.769632
    3 English + English + NL + Tuscan @ 3.777823
    4 English + English + Tuscan + West_&_Central_German @ 3.803374
    5 English + NL + Tuscan + West_&_Central_German @ 3.824361
    6 NL + NL + NL + Tuscan @ 3.843782
    7 AT + English + English + North_Italian @ 3.861388
    8 English + English + North_Italian + West_&_Central_German @ 3.874513
    9 FR + Orcadian + South_&_Central_Swedish + Tuscan @ 3.880623
    10 English + FR + NO + Tuscan @ 3.900290
    11 AT + English + English + Tuscan @ 3.902437
    12 Cornish + NL + NL + Tuscan @ 3.918549
    13 English + NL + North_Italian + West_&_Central_German @ 3.919314
    14 FR + NL + South_&_Central_Swedish + Tuscan @ 3.932021
    15 Cornish + English + NL + Tuscan @ 3.935567
    16 Cornish + English + Tuscan + West_&_Central_German @ 3.937727
    17 NL + NL + Orcadian + Tuscan @ 3.964196
    18 English + North_Italian + West_&_Central_German + West_&_Central_German @ 3.969470
    19 English + English + English + Tuscan @ 3.970524
    20 English + FR + North_Italian + South_&_Central_Swedish @ 3.971831


    Edit:
    Oddly enough, Cornwall was the one British Isles region Living DNA initially assigned where we don't have a recorded ancestor.
    See map at http://www.anthrogenica.com/showthre...l=1#post229206
    Last edited by Dewsloth; 06-22-2017 at 10:44 PM.
    R1b>M269>L23>L51>L11>P312>DF19>DF88>FGC11833 >S4281>S4268>Z17112 (S17075-)

    Y-cousin: 6DRIF-23 (DF19>>Z17112+, S17075+)

    Ancestors: Francis Cooke (M223/I2a2a) b1583; Hester Mahieu (Cooke) (J1c2 mtDNA) b.1584; Richard Warren (E-M35) b1578; Elizabeth Walker (Warren) (H1j mtDNA) b1583;
    John Mead (I2a1/P37.2) b1634; Rev. Joseph Hull (I1, L1301+ L1302-) b1595; Benjamin Harrington (M223/I2a2a-Y5729) b1618; Joshua Griffith (L21>DF13) b1593;
    John Wing (U106) b1584; Hermann Wilhelm (DF19) b1635

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  19. #20
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    Quote Originally Posted by JohnHowellsTyrfro View Post
    Only this morning I was contacted by someone who has just tested with Family Finder and it seems we have quite a close match, although to be honest I think sometimes these matches aren't always as recent as they seem.
    Anyway, the point is that he thinks the match is through the Cornish side of his family, some of whom moved to Merthyr, he thinks from Towednack Cornwall. We are yet to find a paper trail proving this, so at the moment I'm just thinking of it as a possible reason for my Cornish percentage on LivingDNA. Unfortunately the possible connection may be through my "Jones" line which is very difficult to track back. John
    John, I can concur with the difficulty researching the Jones line. My gg grandmother, Dinah Jones is listed on a marriage document as having been born in Ireland 1841 with William Jones being said father. Have not been able to turn up anything on Dinah at Roots Ireland or any docs from anywhere. I only get a small % of Welsh but might be just enough to add some validity as a result of the following. Origin of Jones name points to Wales. Could she be a descendant of the Welsh immigration to Ireland in the 1700's? Seem to be getting a history education as a byproduct of my research. Many questions few answers but interesting none the less. Joe

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