Question: niece has a baby what are you?
Answer: Your Niece is your Parents'Other Grandchild and your Sibblings'Daughter your Niece's Son is your Grandnephew, so you are his Grandaunt from the Maternal Great-Grandparents, his New Son is your Great-Grandnephew, you are The Great-Grandaunt from the Paternal Great-Great-Grandparents/Second Ancestors, your Son is his ...