What relation to you is your grandmother's sister's daughter?

Answer 1

Your grandmother's nephew is first cousin to one of your parents and first cousin, once removed, to you. His child is your second cousin, so his grand daughter is your second cousin, once removed.

Answer 2

You are a great uncle or great aunt to your nephew's daughter. She is your great niece (some say grand niece).

Answer 3

Your grandmother's sister is your great aunt and her daughter is your mother's first cousin and your first cousin, once removed.

Answer 4

Your granddaughter and your nephew's daughter are second cousins to each other.

Answer 5

The granddaughter of your grandmother's sister (ie of your great aunt) is your second cousin.

Answer 6

Your grandmother's brother's daughter is your first cousin, once removed.

Answer 7

That would be your cousin once removed.