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7-Generation Kinship & Consanguinity Calculator

Wondering what a "second cousin once removed" actually means? Calculate exact relationship degrees and shared ancestry paths instantly.

Verified Genealogy Standard

What does "second cousin once removed" mean in a family tree?

"Second cousins" share the same great-grandparents. The term "once removed" means there is a one-generation difference between you: they are either the child of your second cousin, or the second cousin of your parent. They share approximately 3.125% of your DNA.

First Cousins: Share Grandparents (12.5% DNA)
Second Cousins: Share Great-Grandparents (3.125% DNA)
Removed: Difference in generations (+1 or -1)

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Relationship Output

First Cousin Once Removed

You and this relative share common grandparents. You are a grandchild, and they are a great-grandchild (one generation apart).

Civil Law Degree
5th Degree
Canon Law Degree
3rd Degree
Estimated Shared DNA
~6.25%
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