Family Tree - Nth cousin N times removed

Factual Questions
1

Full Version:
What relationship has my daughter to my father’s mother’s sister’s son’s daughter’s daughter?

More symmetrical (and frankly easier to read version of the above):
How are the grandchildren of two cousins related?

Thanks.

2

3rd cousins.

http://www.sonic.net/~fredd/cousins.html

3

Count the generations back until you get to siblings:

  1. The kids
  2. Their parents
  3. Their grandparents < siblings!
    3rd cousins.
4

CousinCalculator
http://www.searchforancestors.com/utility/cousincalculator.html

They are great-great grandchildren of the same ancestor, so 3rd cousins

5

Thank You

6

Nth cousin means number of generations back to a common ancestor. To grandfather, first cousin. To Great grandfather, second cousin.

N times removed means the difference in the number of generations. If your grandfather was my great grandfather, we are once removed.

7

Number the generations sequentially, ascending from older generations to younger.
gen(x) is the generation number of person x.

Persons p1 and p2 are (Degree) cousins (Remove) removed where

Degree = min(gen(closest common ancestor)-gen(p1),gen(closest common ancestor)-gen(p2)) - 1
Remove = abs(gen(p1)-gen(p2))

Using this, you and your siblings are zeroth cousins, and you are your own (-1) cousin. You and your parents are zeroth cousins once removed.

8

How many Dopers can name any of their 3rd-cousins? I can’t. (I can name some of my kids’ 4th cousins, but that’s from their mother’s side.)

Nitpick: You and you uncle (or aunt, nephew or niece) are zeroth cousins once removed. You and your parent (if you want to carry the terminology that far) are (-1)th cousins once removed.

9

I’m in regular contact with a third cousin twice removed. I chanced upon a third cousin the other day because she’s dating the son of my ex-co-worker.

10

CCPGrey does a pretty good job of explaining how the family tree works here. :slight_smile: