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Cousin chart: second cousins, once removed and more

How to name any relative who shares an ancestor with you, with a chart and a page for each kind of cousin.

Count the generations from the ancestor you share down to each of you. The smaller number minus one is the cousin degree; the difference between the two numbers is how many times "removed".

Find how you descend from the shared ancestor on the left, your relative along the top.
You are the ancestor's…ChildGrandchildGreat-grandchild2x great-grandchild3x great-grandchild4x great-grandchild
ChildSiblingNiece or nephewGrandniece or grandnephewGreat-grandniece or nephewGreat-great-grandniece or nephewGreat-great-great-grandniece or nephew
GrandchildAunt or uncleFirst cousinFirst cousin once removedFirst cousin twice removedFirst cousin three times removedFirst cousin four times removed
Great-grandchildGreat-aunt or uncleFirst cousin once removedSecond cousinSecond cousin once removedSecond cousin twice removedSecond cousin three times removed
2x great-grandchildGreat-great-aunt or uncleFirst cousin twice removedSecond cousin once removedThird cousinThird cousin once removedThird cousin twice removed
3x great-grandchildGreat-great-great-aunt or uncleFirst cousin three times removedSecond cousin twice removedThird cousin once removedFourth cousinFourth cousin once removed
4x great-grandchildGreat-great-great-great-aunt or uncleFirst cousin four times removedSecond cousin three times removedThird cousin twice removedFourth cousin once removedFifth cousin

Use the cousin calculator · Print this chart

Every kind of cousin, explained

Same generation

First cousin

You both descend from the same grandparents, each of you 2 generations down.

 1x removed

First cousin once removed

The shared ancestors are grandparents to one of you and great-grandparents to the other: 2 generations down on one side, 3 on the other.

 2x removed

First cousin twice removed

The shared ancestors are grandparents to one of you and great-great-grandparents to the other: 2 generations down on one side, 4 on the other.

 3x removed

First cousin three times removed

The shared ancestors are grandparents to one of you and great-great-great-grandparents to the other: 2 generations down on one side, 5 on the other.

 Same generation

Second cousin

You both descend from the same great-grandparents, each of you 3 generations down.

 1x removed

Second cousin once removed

The shared ancestors are great-grandparents to one of you and great-great-grandparents to the other: 3 generations down on one side, 4 on the other.

 2x removed

Second cousin twice removed

The shared ancestors are great-grandparents to one of you and great-great-great-grandparents to the other: 3 generations down on one side, 5 on the other.

 3x removed

Second cousin three times removed

The shared ancestors are great-grandparents to one of you and great-great-great-great-grandparents to the other: 3 generations down on one side, 6 on the other.

 Same generation

Third cousin

You both descend from the same great-great-grandparents, each of you 4 generations down.

 1x removed

Third cousin once removed

The shared ancestors are great-great-grandparents to one of you and great-great-great-grandparents to the other: 4 generations down on one side, 5 on the other.

 2x removed

Third cousin twice removed

The shared ancestors are great-great-grandparents to one of you and great-great-great-great-grandparents to the other: 4 generations down on one side, 6 on the other.

 3x removed

Third cousin three times removed

The shared ancestors are great-great-grandparents to one of you and great-great-great-great-great-grandparents to the other: 4 generations down on one side, 7 on the other.

 Same generation

Fourth cousin

You both descend from the same great-great-great-grandparents, each of you 5 generations down.

 1x removed

Fourth cousin once removed

The shared ancestors are great-great-great-grandparents to one of you and great-great-great-great-grandparents to the other: 5 generations down on one side, 6 on the other.

 2x removed

Fourth cousin twice removed

The shared ancestors are great-great-great-grandparents to one of you and great-great-great-great-great-grandparents to the other: 5 generations down on one side, 7 on the other.

 3x removed

Fourth cousin three times removed

The shared ancestors are great-great-great-grandparents to one of you and great-great-great-great-great-great-grandparents to the other: 5 generations down on one side, 8 on the other.

Cousin calculator