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What is my mom's cousin to my kids?

To your kids, your mom's cousin is their first cousin twice removed. To you, they are your first cousin once removed.

Diagram from the other relative's point of viewYour childpoint of viewYouGrandmotherGreat-grandparentGreat-great-grandparentscommon ancestorsGreat-great-aunt/uncleFirst cousin twiceremovedthem
From your child's point of view

you them common ancestors double line: marriage

To you, your mom's cousin is a first cousin once removed. Your kids are one generation further down, so to them she is a first cousin twice removed. The common ancestors are your kids' great-great-grandparents.

Your kids may call her “great-aunt” as a courtesy, since she is two generations up. Strictly, a great-aunt is a grandparent's sister, which your mom's cousin is not.

How we worked it out

Follow the chain one step at a time:

  1. Your mother: mother (1 up, 0 down)
  2. Your mother's cousin: first cousin once removed (3 up, 2 down)
  3. Seen from your child: first cousin twice removed

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    Related questions

    Is my mom's cousin my kids' great-aunt?
    No. Your mom's cousin is your kids' first cousin twice removed. Their great-aunt would be your mom's (or dad's) sister.
    What is my mom's cousin's grandchild to my kids?
    A third cousin: same generation as your kids, sharing their great-great-grandparents (your mom's grandparents).

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