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saki  
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 More options Dec 12 2009, 9:01 pm
Newsgroups: alt.genealogy
From: saki <s...@ucla.edu>
Date: Sat, 12 Dec 2009 18:01:50 -0800
Local: Sat, Dec 12 2009 9:01 pm
Subject: Re: DNA

Bruce Remick wrote:
> I'd be interested if some of you folks could offer examples of what
> you've actually learned from this testing that led to expanding your
> ancestral search?  I'm lost in how the expense of all these X's and Y's can
> translate into specific family discoveries.

We have one line with an uncommon German surname (Jatho). Our line is
traceable via documentation to a specific series of villages in Hannover
and, after the emigration of one individual, to Charleston, South
Carolina in 1848.

Another immigrant with the same surname settled in Illinois in the
1830s. Documentation on this line leads back into the 1650s in the same
region as our ancestors, but we can't link our clans via paperwork, it
doesn't go back far enough (so far, maybe we'll get luck and find a tax
registry that explains the connection). If records existed earlier than
1650 we might have had some luck.

Using Y-DNA testing for a male descendant of each line resulted in a 98%
likely match within 24 generations. That's a fairly reliable result at
67 markers. We don't know how we match up but the evidence suggests a
connection is extremely likely. Sometimes that's the best DNA testing
can do.

Matches from mtDNA are not, as I understand it, within a genealogical
timeframe but go back tens of thousands of years. It's sort of
interesting to me that my mother's mother's mother's (and so on)
haplogroup mutated around 28,000 years ago somewhere where Kurdistan is
today, but this doesn't contribute to any understanding of this line's
more recent origins in what's now Poland. I knew that going in, but I
was testing one of my sons to establish his Y-DNA and the combo test
(Y-DNA and mtDNA) was on sale. I can't resists a good bargain.

----
s...@ucla.edu
http://sakionline.net/familypage


 
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