Q:

What is a third cousin?

A:

Quick Answer

Third cousins are two people who share at least one great-great-grandparent. They have parents who are second cousins, grandparents who are first cousins and great-grandparents who are siblings.

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What is a third cousin?
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Full Answer

Someone can also have a cousin who is so many times removed. The term "removed" describes the number of generations cousins are apart. For example, when a third cousin has a child, that offspring becomes a third cousin once removed to the parent's third cousin. The offspring of that child is a third cousin twice removed to the original third cousin. This pattern continues down the line, as each generation has children. The children of third cousins are fourth cousins.

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Related Questions

  • Q:

    What is a "double cousin"?

    A:

    When two siblings marry another set of siblings, the children of the two couples are called double cousins because both maternal and paternal grandparents are shared by the cousins. Regular first cousins only share one set of grandparents.

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  • Q:

    What is the son of someone's cousin called?

    A:

    The son of someone's first cousin is their first cousin once removed. Cousins of the same generation share at least one set of grandparents and are called "first cousins." The children of first cousins are one generation away, or "once removed" from the generation.

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  • Q:

    What is a step cousin?

    A:

    If one's aunt or uncle marries someone who already has children from a previous relationship, those children are one's step cousins. While the term "step cousin" is not considered an official relationship under civil law, it is a convenient term to describe such a cousin.

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  • Q:

    What relation is my father's cousin to me?

    A:

    An individual's father's cousin is the individual's second cousin, assuming the cousin is the child of one of the father's siblings. Familial relationships are determined by descent beginning with the first common ancestor or relative.

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