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What is a second cousin twice removed?

A second cousin twice removed is your second cousin's grandchild, or your grandparent's second cousin. You are two generations apart.

Preset to this relationship. Change the steps to compare with neighbouring relationships.

Your steps down from the shared ancestor
3
Their steps down
5
Shared ancestorsYour grandparentTheir great-great-grandparentgen 1Your parentTheir great-grandparentgen 2YouTheir grandparentgen 3Their parentgen 4Relativegen 5

They are your

second cousin twice removed

Common ancestors: your great-grandparents. Expected shared DNA: 0.781%

Shorter branch = 3 steps → 3 − 1 = 2 → second cousin. Branches differ by 2 → twice removed.

Expected shared DNA is about 0.78% (1/128) — the same as a third cousin, because the total number of steps to the shared ancestor pair is the same.

To check a real pair of relatives, add them to the family tree maker and use How related?, or look them up on the cousin chart.

Questions

What is my grandparent's second cousin to me?

Your second cousin twice removed.