Grandparent's sister.
My grandaunt is a good person.
Grandaunt.
Great-grandaunt.
My 2X-grandaunt is a good person.
Grandparent's half-sister.
My half-grandaunt is a good person.
Half-grandaunt.
Great-great-grandparent's half-sister.
My half-great-great-grandaunt is a good person.
half-great-great-grandaunt.
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