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# Are you my third cousin twice removed?

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re: Are you my third cousin twice removed?
3/22/2013 6:08:34 PM
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Years ago, I wrote a program that my family reunion use a computer to identify their relationship to other people at a reunion. One of the things I realized that made this program much simpler was that one's siblings were one's 0th cousins.

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re: Are you my third cousin twice removed?
3/22/2013 12:43:35 PM
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If you want a complete and detailed explaination try: http://www.genetic-genealogy.co.uk/ My father-inlaw is something of an expert in these things.

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re: Are you my third cousin twice removed?
3/20/2013 1:29:09 PM
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Wikipedia has a cousin relationship chart that I've found useful: http://en.wikipedia.org/wiki/Cousin#Cousin_chart

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re: Are you my third cousin twice removed?
3/20/2013 8:06:38 AM
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You make is sound so simple, especially if you say it quickly :-) But seriously, I do like your suggestion: When they talk about each other X would say "Y is my n th cousin r times removed". Y would say "I am n th cousin r times removed to X".

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re: Are you my third cousin twice removed?
3/19/2013 3:59:17 PM
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Not as difficult as you are making it sound. If you have a common ancestor Z with children X & Y producing a generational column of ancestors then the children of X & Y are cousins. I imagine no-one has problems understanding this. To illustrate it graphically, imagine a three column strip with the first column labelled as n, second column as X ancestral line & the third column as Y ancestral line. Thus label Z as n=-1, X & Y as n=0, then the (first)cousins are n=+1. For each generation down n increments and you have the n th cousin of X & Y. When you stop going down the X column but continue down the Y column r times then you have the n th cousin r times removed. When they talk about each other X would say "Y is my n th cousin r times removed". Y would say "I am n th cousin r times removed to X". thus no ambiguity.

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re: Are you my third cousin twice removed?
3/19/2013 3:54:58 PM
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Try reading Heinlien's "All You Zombies" Makes Ray Stevens simple by comparason.

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re: Are you my third cousin twice removed?
3/19/2013 3:48:12 PM
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Correction for Xth cousin: number of generations back minus one. For 2nd cousins, you go back 3 generations to find the common ancestor, a great-grandparent.

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re: Are you my third cousin twice removed?
3/19/2013 3:32:35 PM
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The Xth cousin part is how many generations you have to go back to find a common ancestor. The Yth removed part is how many "levels" you are off. Example: Chip is my 1st cousin once removed. His mother and I are first cousins, we have a common grandparent. Chip and I are "once removed" because it is two levels back to the common ancestor for me, but three levels back for him. Look up cousin on wikipedia -- they have pictures!

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re: Are you my third cousin twice removed?
3/19/2013 8:44:05 AM
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Hmmm -- it would seem that it must be commutative -- but that can make it a bit "lop-sided". So if you are the first cousin to some one, and they have a kid and that kid has a kid, then the kid's kid is your first cousin twice removed. But similarly, you are that kid's kid's first cousin twice removed. My head hurts...

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re: Are you my third cousin twice removed?
3/18/2013 4:06:37 PM
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So the answer didn't say explicitly, but I assume that the "x times removed" is commutative? In other words, I am the first cousin once removed of my mom's cousin....so she is my first cousin once removed also, right?

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