Granddaughter
Wiki User
∙ 2014-05-22 13:15:44Your grandson.
You call your daughter's baby, your grand-duaghter.
You would call your sister's daughter your niece.
They'd be your cousin.
Your daughters-in-law are "daughters-in-law." (The correct plural of "daughter-in-law" is "daughters-in-law." Note the hyphens, and also that the 's' goes on the end of 'daughter.')
Your 2nd cousin..
Your grandson.
Your daughter's in-laws are her in-laws so you would call them by their first names.
Your grand daughter's husband is your grandson-in-law.
The daughter of a sister or brother is called a niece.
Most people call their daughters by their first names, or use an endearment such as "honey."
Your niece's daughter is your grand niece, or, as some would say, your great niece.