They are 2nd cousins.
Well the daughter will be your grandaughter and you will be a grandmother/grandfathther.
You are first cousins.
First cousins, twice removed. Aunts daughter is your cousin. Aunts daughters daughter is cousin once removed Aunts daughters daughters daughter is cousin twice removed.
granddaughter or grand-daughter.
Your grandfather's niece is your parent's first cousin. Her daughter is your second cousins and her granddaughter is your second cousin, once removed.
The grandchildren of any of your great uncles and great aunts are your second cousins.
Your granddaughter and your sister's grandaughter are 2nd cousins.
First cousin once removed.
Your aunts sons wife is your first cousin by marriage.
She is called my cousin.
Your daughter and your sister's child are first cousins. Your daughter and your sister's grandchild are first cousins, once removed.
Yes, although in that relationship there is likely to be a very large age difference, since that person is of the same generation as your grandparents.
daughter or grandaughter
No, but she has a daughter named Bobby that is 16 years old
between your grandaughter husband, and you? if you have a granddaughter husband, you may not want to make that public. i don't know if that's legal.