Your great-great aunt is your daughter's great-great-great aunt.
Your aunt's daughter is your first cousin.
Your great aunt is your daughter's great great aunt. Your daughter is your great aunt's great great niece.
Great Aunt to Great Niece.
Your aunt's daughter is your first cousin and herdaughter is your first cousin once removed.
Your brother's daughter is your niece..and you are her AUNT.
She is your first cousin.
Your father's aunt's daughter is your father's first cousin and your first cousin, once removed.
aunt
Your father's aunt's daughter is your father's first cousin and your first cousin, once removed.
Your brother's daughter is your niece. You are her Aunt or Uncle.
Your aunt is great great aunt to your son's daughter (your granddaughter). Your granddaughter is your aunt's great great niece.
Your aunt's daughter is your first cousin, and her son is your first cousin, once removed.