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Messages - GailB

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Ancestral Family Tree DNA Testing / Re: Ancestry removing matches less than 8cM
« on: Monday 20 July 20 13:09 BST (UK)  »

Did you have you any just below an integer. e.g 19.9 ? If so, were they rounded up to 20 or just dec places just chopped so they would become 19?

Actually, I've just done some further checking and it is a worry, I do have a 19.7cM which is rounded up to 20cM so we may lose some of the 8cMs.

ADDED: a 19.4cM has been rounded down to 19cM

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Ancestral Family Tree DNA Testing / Re: Ancestry removing matches less than 8cM
« on: Monday 20 July 20 12:16 BST (UK)  »
On facebook maths problems - posters always moan about 'old' maths and 'new' maths, and the rules involved (Podemas - the rules of operations etc), and those who know maths of course say maths is maths ( or math, if you are american), and there only ever is one right answer, which ever way, and whenever,  you learned maths!  However, Ancestry seems to have its own wee version here!

Honestly, I remember back a few itterations ago of the DNA screens ,when on a screen that told you about a matches DNA in more detail, it told you more exactly  the match figure (eg 19.5). and the dependability of the match (eg high/low/medium), and what that meant (eg nearly 100% likely to be a true match).  Not all changes have been for the better!  Especially when at one time it is under a border line (eg 20), but sometimes over it. Crazy.

How can a value measured to be under 8.0* be classed at other times as 8 or over 8!

* indcating 'recurring', that is as many 0's as you like!!

Ah well back to checking my 8's now.  I an happy (relatively) with 7's, but decided to deal with 8's before tackling 6's, as there will be even more 6's..... Ahh

Jane

I keep a record of my matches on a spreadsheet when I know how they are related from back when Ancestry included decimal places.

I have a 4C1R (PV) who matches me at 20.1cM and is included in my 4th-6th cousins but now shows just as 20cM, whereas another 4C1R, MS matches me at exactly 20cM and is included in my distant cousins.

Therefore, the when Ancestry delete those who match 6-7cM any at 8cM should remain as they would actually match 8.1cM or more, whereas those who are 6-7cM would only match up to 7cM exactly.

4
And if the common ancestor is a 5th great then the direct relationship is a 6th cousin.

Yes, as stated in my previous post "If a match is the same generation as you then the most distant relationship would be sixth cousins".

5



Common Ancestors and ThruLines only show matches up to your 5x great grandparents. If you have a match that is 5C2R it won't show in Common Ancestors or ThruLines because it is too many generations.

Matches that are descended from 5th greats would likely be 6th cousins not 5th.

I've just checked my listings and I have matches that are between 5C1R and the last ones are 6th cousins.

PS - I've even got a half 5C on the list  (so they say)

If a match is the same generation as you then the most distant relationship would be sixth cousins. My post didn't mention 5th or 6th cousins, I said matches only go as far as 5th great grandparents.

I have a 5x great grandfather who I share with 16 matches but there only two are 6th cousins, the rest are more closely related.

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Yes it is a nuisance. I have a few in exactly the same situation as you.

Gail

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But your 4x great grandparents would be your 5C2Rs 6x great grandparents.

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I have a match at 10 cM with CM (full name given on Ancestry). Ancestry has flagged it up as a Common Ancestor match. CM's surname is the same as one of my direct ancestors which I have researched reasonably well, so it was clear to see where our trees overlapped and confirm that he was my 5th cousin once removed. Our common ancestors were my 4 x great grandparents (and his 5 x great grandparents). CM manages the test for EM. My match with EM is at the same level and the tree attached to EM's results is the identical tree attached to CM's results, same size, same name, same home person. In fact if the tree was just called "M... family tree" instead of "CM's family tree", I wouldn't know which of the two people was the home person.
 
Both EM and CM appear on the tree (obviously as private). EM is CM's son, so he would be my 5th cousin 2 x removed
But I don't have a common ancestor match with EM according to Ancestry. Can anyone suggest why this should be?

Common Ancestors and ThruLines only show matches up to your 5x great grandparents. If you have a match that is 5C2R it won't show in Common Ancestors or ThruLines because it is too many generations.

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Ancestral Family Tree DNA Testing / Re: Ancestry removing matches less than 8cM
« on: Friday 17 July 20 04:26 BST (UK)  »
Based on the new matches I have received in the last two months, I estimate that when Ancestry do change to matching only 8cM and above, I will lose approximately 70% of my matches. So they may have the largest database but will only show a fraction of your matches.

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