Relationship Finder

What is my cousin's cousin to me?

Your cousin's cousin can be you, your sibling, your first cousin or not related to you, and less often your half-sibling. It depends on which branch of the family you mean.

Diagram: how your cousin's cousin is related to youYouParentscommon ancestorsSiblingthem
If they are your sibling
Diagram: how your cousin's cousin is related to youYouParentGrandparentscommon ancestorsAunt/uncleFirst cousinthem
If they are your first cousin
Diagram: how your cousin's cousin is related to youYouParentGrandparentscommon ancestorsAunt/uncleAunt/uncle bymarriageAunt/uncle'sspouse's parentscommon ancestorsAunt/uncle'sspouse's siblingAunt/uncle'sspouse'sniece/nephewthem
If they are your

you them common ancestors double line: marriage

Your cousin's cousins on your side of the family are you, your siblings or your other first cousins. But your cousin has another parent, and cousins on that side are not related to you.

That's why two people can both be someone's cousin while not being cousins of each other.

How we worked it out

Follow the chain one step at a time:

  1. Your cousin: first cousin (2 up, 2 down)
  2. Your cousin's cousin: you or sibling or first cousin or your aunt/uncle's spouse's niece/nephew

Check another relative

My
    …

    Tap relatives in order, like mother, cousin, daughter
    More: grandchildren, great-, half-, step- and in-laws
    Any sex Grandchildren and great- Half Step In-laws

    Related questions

    Is my cousin's cousin related to me?
    Only if they're a cousin through the parent your cousin shares with your family. Cousins on your cousin's other side are not your relatives.
    Is my cousin's cousin my second cousin?
    No. Second cousins share great-grandparents; a cousin's cousin either shares your grandparents (first cousin) or nothing at all.

    More family relationship answers