What Do You Call This Woman?

This one is a real brain teaser! Today's riddle reads: "At your wedding, you are introduced to your new partner's mother's only sister's husband's sister in law. What do you call her?" This one is a toughie! Enter your answer below to see if you are right and then leave us a comment below! Don't forget to share this riddle with your friends on social media, too.

Answer Below