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What is my grandma's daughter to me?

Your grandma's daughter can be your mother or your aunt, and less often your half-aunt. It depends on which branch of the family you mean.

Diagram: how your grandmother's daughter is related to youYouMotherthem
If she is your mother
Diagram: how your grandmother's daughter is related to youYouParentGrandparentscommon ancestorsAuntthem
If she is your aunt

you them common ancestors double line: marriage

This chain fits more than one person. Your grandma's daughter is your mother (if this is your mom's mom) or your aunt. If she's from your grandma's other relationship, she's your half-aunt.

The same ambiguity applies to “my grandpa's son”: your father or your uncle.

How we worked it out

Follow the chain one step at a time:

  1. Your grandmother: grandmother (2 up, 0 down)
  2. Your grandmother's daughter: mother or aunt

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    Related questions

    What is my grandma's son to me?
    Your father or your uncle, depending on which side of the family this grandmother is on.
    What is my grandma's daughter's daughter to me?
    Your sister or yourself (if she's your mom's mom), or your first cousin (through an aunt).

    More family relationship answers