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Home: Surnames: Sevigny Family Genealogy Forum

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Sevigny Y DNA Comparision Project
Posted by: Michael Sevigny (ID *****0872) Date: March 31, 2009 at 15:39:45
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Request for participants in Sevigny Y DNA comparison.
I am requesting that my Sevigny cousins submit DNA samples for testing to determine the variations in the family tree. This comparison is only possible for males, so our female cousins need to have their father, brother, paternal uncle or paternal male cousin submit a sample (a mouth swab using a Q-tip like sampler). The testing must be done to at least the 33 or 36 “marker” level but preferable to the 46 marker level. One of our Lafleur (Sevigny) cousins had the 12 marker test done, which had too few markers showing hundreds of matches with very, very distant cousins.

We hope that more distant cousins than our immediate Sevigny group will be matches and perhaps they will be able to help us make the connection between Jullien-Charles de Sevigne’s father and the other Sevigne families in France in the 1650s.

I used the Ancestry.com Y chromosome test which is now quoted from US$79 for 3 “markers” to US$149 for 46 markers, but it was on sale last December for less. Randy used a different test lab and entered his data manually on the Ancestry.com site. So if you already have results you can also enter them.

Randall Souviney and I have found that our Haplogroup is I1, known as the Stonemasons. About 20% of the European population or their descendants are in this group, which is estimated to be about 30,000 years old. The larger group, Haplogroup I, appears to have originated in northeast Africa and migrated to Scandinavia. They retreated to the area south of the Alps during the last Ice Age and then migrated back north when the ice shield melted. Our subgroup, I1, “may have participated in a costal migration about 10,000 years ago… The I1 Stonemasons primarily occupied Norway, Sweden and Denmark, as well as parts of Finland settled by the Laplanders.” Our group probably settled in Brittany on the way north. Randy’s DNA and mine matched with only 3 variations in markers, which was estimated to be 17 generations apart. We know that he is the 9th generation from our “Most Recent Common Ancestor” Jullien-Charles de Sevigne and I am 10 generations from him, so the calculations do not always work.
Please respond as some e-mails I had before no longer work.


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