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Thread: Gist, Gest, Guess, Guest Project Mystery

  1. #21
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    Odds of a 4th cousin showing up as a match stats at dna companies

    23andme, ancestry.com, and FTDNA
    45.9% 71% >50%

    https://isogg.org/wiki/Cousin_statistics

    Odds of no detectable dna from a relative chart
    4th cousin 30.7%
    https://images.app.goo.gl/M4oTTuT2279K9EgN8
    Last edited by MitchellSince1893; 11-27-2020 at 04:14 PM.
    Y DNA line continued: Z142>Z12222>FGC12378>FGC12401>FGC12384
    37% English, 26% Scot/Ulster Scot, 14% Welsh, 14% German, 3% Ireland, 3% Nordic, 2% French/Dutch, 1% India
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     rms2 (11-27-2020)

  3. #22
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    Quote Originally Posted by MitchellSince1893 View Post
    Odds of a 4th cousin showing up as a match stats at

    23andme ancestry.com,, and Fourth 4th cousins
    45.9% 71% >50%

    https://isogg.org/wiki/Cousin_statistics

    Odds of no detectable dna from a relative chart

    https://images.app.goo.gl/M4oTTuT2279K9EgN8
    Thanks! Good thing I got my mother a Family Finder test a few years ago.

    I was really seriously blessed on my own Y-chromosome line that a match to a 5th cousin once removed showed up at AncestryDNA, because that match is what enabled me to find that gentleman, who has a really solid, well documented paper trail to my Y-chromosome 5th great grandfather (his 4th great grandfather). Absolutely miraculously, by the grace of God, I was able to recruit that match for Y-DNA testing with FTDNA. Not only that, but he went whole hog and ordered the Big Y-700. He is an extremely close match to me: in terms of STRs, 757/758 (he began as a 110/111 match), and his terminal SNP is just one step upstream of my own (my terminal SNP is the result of getting a known 2nd cousin to do the Big Y-500).

    That gave me the breakthrough I had been dreaming of, getting me past my third great grandfather and back to my fifth great grandfather. If I get nothing else from genetic genealogy ever again, I will still be deeply, eternally grateful to God for that.

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  5. #23
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    That gave me the breakthrough I had been dreaming of, getting me past my third great grandfather and back to my fifth great grandfather. If I get nothing else from genetic genealogy ever again, I will still be deeply, eternally grateful to God for that.
    Hopefully He will also give me a breakthrough on my own great grandfather brick wall, while my Father is alive and not senile (turned 80 this year)
    Y DNA line continued: Z142>Z12222>FGC12378>FGC12401>FGC12384
    37% English, 26% Scot/Ulster Scot, 14% Welsh, 14% German, 3% Ireland, 3% Nordic, 2% French/Dutch, 1% India
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     JMcB (11-27-2020),  msmarjoribanks (12-21-2020),  rms2 (11-27-2020)

  7. #24
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    Quote Originally Posted by MitchellSince1893 View Post
    Hopefully He will also give me a breakthrough on my own great grandfather brick wall, while my Father is alive and not senile (turned 80 this year)
    Prayers for that.

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  9. #25
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    Quote Originally Posted by rms2 View Post
    Here is something that puzzles me. At AncestryDNA I have a number of autosomal dna matches to descendants of Captain Benjamin Gist (born c. 1730) and his wife Mary Jarrett. A couple of those matches have the surname Gist. One of those Gists is a male. I've tried to talk him into Y-DNA testing with FTDNA, but thus far he has not done it, at least as far as I know.

    There are five men in the Gist Project who claim descent from this Benjamin Gist, as well. Okay, here's the puzzling part: they are all in Group 2c, and my maternal grandfather's Gist line is represented by my fourth cousin, kit 940023, who is in Group 1a. No one in either of the Group 1 subgroups matches anyone in the Group 2 subgroups, including Group 2c.

    I'm not sure what's up with that. Another mystery.
    Well, I solved the mystery of that Gist male I mentioned above, who I thought was a descendant of Benjamin Gist (b. abt. 1730). Turns out he is not a descendant of Benjamin Gist. Instead, like me, he is a descendant of Joseph Gist (b. 1748). Joseph, our mutual 4th great grandfather, is our most recent common ancestor, which makes us 5th cousins.

    It took me about an hour of digging at Ancestry to figure that out. Not sure why I didn't do that before: probably because my match's pedigree is pretty bare bones. It only goes back on the Gist line to his great grandfather, for whom he had only the name, John Gist. Not sure where I got the idea he was descended from Benjamin Gist. Anyway, I managed to fill out his pedigree working back from his grandfather, James Albert Gist (1894-1967), which was key, because he had enough info on him to make finding the rest possible.

    This male Gist match shares at least eight other matches with me at AncestryDNA, and four of those have complete pedigrees back to Joseph Gist (1748). The mother of one of the others was a Gist, but her pedigree doesn't go back very far on that line. Probably all of them are descended from Joseph Gist.

    This man has been a match of mine (11 cMs across 1 segment) for quite awhile. I have sent him numerous messages asking him to have his Y-DNA tested and join the Gist Project. Still hoping he'll do it.

    Interesting that this man is descended from Joshua Gist (b. 1793), the son of our mutual ancestor Joseph Gist (b. 1748). I am the descendant of Joshua's brother, Joseph (b. 1789). Several posts back I mentioned a Gist man who passed away back in 2010. He had his Y-DNA tested with the old company Relative Genetics and is a match for my 4th cousin, kit 940023, in Group 1a. Well, that man is a descendant of Joshua Gist, as well. One of those AncestryDNA matches I mentioned above, a female, is also a descendant of Joshua Gist.
    Last edited by rms2; 11-28-2020 at 05:24 PM.

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  11. #26
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    BTW, I have been pestering this Gist AncestryDNA match to get his Y-DNA tested with FTDNA and join the Gist Project. Praying he'll do it and not get annoyed and block me.

  12. #27
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    Quote Originally Posted by rms2 View Post
    BTW, I have been pestering this Gist AncestryDNA match to get his Y-DNA tested with FTDNA and join the Gist Project. Praying he'll do it and not get annoyed and block me.
    Well, God has answered my prayers favorably once again! Thank you, God!

    My male Gist AncestryDNA match (he's my fifth cousin in that line) has ordered a Y-37 test from FTDNA!

    He just made the order this evening, on the last day of FTDNA's big sale.

    As I mentioned a couple of posts back, he is a y-chromosome descendant of Joshua Gist (b. 1793), the brother of my third great grandfather Joseph Gist (b. 1789). We share the same fourth great grandfather, Joseph Gist (b. 1748).

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  14. #28
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    The Gist fifth cousin I talked about in the last few posts above collected his samples and mailed the completed kit back to FTDNA yesterday.

    Now we wait.

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  16. #29
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    BIG news for me this morning on the Gist front: kit 25861, my maternal grandfather's 4th cousin once removed, got his Big Y-700 results.

    Drum roll, please.

    His terminal SNP makes him R1b-FGC59523.

    Here's the complete phylogeny under R-M207:

    M207>M173>M343>L754>L389>P297>M269>L23>L51>P310> L151>P312>Z290> L21>DF13>ZZ10>Z253>FGC3268>ZZ6>BY43439>BY4303>FGC59516>FGC59535> FGC59523

    I put the really salient SNPs in bold, at least based on what I was looking for.

    So, yeah, turns out I am R1b-L21 on both sides of my family tree. My maternal grandfather's line belonged to the Z253 branch of L21.

    Okay, I was hoping for something a little more exotic, but I'm still pleased.

    So, did my maternal grandfather have that same terminal SNP, FGC59523? Not sure about that. Maybe some branching occurred a step or two back up the phylogeny. I do not know. The mrca of kit 25861 and my grandfather is Nathaniel Gist. He was born about 1707, so there could be a difference in terminal SNPs, but at least this gets me in the neighborhood.

    Once again, thank You, God! I am grateful for these results.

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  18. #30
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    I ordered an upgrade from bigY 500 to 700 on behalf of a distant y dna match. Ordered 12/1 so he shouldn’t be too much longer based on your 700 turn around time
    Last edited by MitchellSince1893; 12-22-2020 at 10:43 PM.
    Y DNA line continued: Z142>Z12222>FGC12378>FGC12401>FGC12384
    37% English, 26% Scot/Ulster Scot, 14% Welsh, 14% German, 3% Ireland, 3% Nordic, 2% French/Dutch, 1% India
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