Once removed... twice removed... What does that mean?
"Removed" indicates
that the two people being compared are not of the same number of generations
from their common ancestor. So, my first cousins' son is my first cousin once
removed. My first cousin and I are of the same generation from our common grandparents
but her son is removed by one generation. Technically, he could also be called
my second cousin... but, it wouldn't be a totally accurate description.
Note: This chart uses male terminology to be concise, not to discriminate against women.
For example, to compare yourself with your grandfather's sister you would first find your place on the chart. Since your great-grandparents are the common ancestor your position along the left is number 3 which reads great-grandson. Next, find your grandfather's sister on the chart. Let's call her Ethel; since I have one called Ethel. She is your great-grandparents daughter so she would be placed in position 1 along the top of the chart. Now find where 3 and 1 intersect... grand-nephew!
| generation | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 0 | Common Ancestor | son | grandson | great- grandson | 2nd great- grandson | 3rd great- grandson | 4th great- grandson | 5th great- grandson | 6th great- grandson | 7th great- grandson |
| 1 | son | brother | nephew | grand- nephew | great- nephew | 2nd great- nephew | 3rd great- nephew | 4th great- nephew | 5th great- nephew | 6th great- nephew |
| 2 | grandson | nephew | 1st cousin | 1st cousin one generation removed | 1st cousin two generations removed | 1st cousin three generations removed | 1st cousin four generations removed | 1st cousin five generations removed | 1st cousin six generations removed | 1st cousin seven generations removed |
| 3 | great- grandson | grand- nephew | 1st cousin one generation removed | 2nd cousin | 2nd cousin one generation removed | 2nd cousin two generations removed | 2nd cousin three generations removed | 2nd cousin four generations removed | 2nd cousin five generations removed | 2nd cousin six generations removed |
| 4 | 2nd great- grandson | great- nephew | 1st cousin two generations removed | 2nd cousin one generation removed | 3rd cousin | 3rd cousin one generation removed | 3rd cousin two generations removed | 3rd cousin three generations removed | 3rd cousin four generations removed | 3rd cousin five generations removed |
| 5 | 3rd great- grandson | 2nd great- nephew | 1st cousin three generations removed | 2nd cousin two generations removed | 3rd cousin one generation removed | 4th cousin | 4th cousin one generation removed | 4th cousin two generations removed | 4th cousin three generations removed | 4th cousin four generations removed |
| 6 | 4th great- grandson | 3rd great- nephew | 1st cousin four generations removed | 2nd cousin three generations removed | 3rd cousin two generations removed | 4th cousin one generation removed | 5th cousin | 5th cousin one generation removed | 5th cousin two generations removed | 5th cousin three generations removed |
| 7 | 5th great- grandson | 4th great- nephew | 1st cousin five generations removed | 2nd cousin four generations removed | 3rd cousin three generations removed | 4th cousin two generations removed | 5th cousin one generation removed | 6th cousin | 6th cousin one generation removed | 6th cousin two generations removed |
| 8 | 6th great- grandson | 5th great- nephew | 1st cousin six generations removed | 2nd cousin five generations removed | 3rd cousin four generations removed | 4th cousin three generations removed | 5th cousin two generations removed | 6th cousin one generation removed | 7th cousin | 7th cousin one generation removed |
| 9 | 7th great- grandson | 6th great- nephew | 1st cousin seven generations removed | 2nd cousin six generations removed | 3rd cousin five generations removed | 4th cousin four generations removed | 5th cousin three generations removed | 6th cousin two generations removed | 7th cousin one generation removed | 8th cousin |