Yadina Riddle mentions "our grandma is coming to visit" to Brad Scott at the start of I Am Catherine the Great, also meaning the grandma of Xavier Riddle.
It's unclear whether that would be the Riddles' dad's mom or the Riddles' mom's mom
Yadina Riddle mentions "our grandma is coming to visit" to Brad Scott at the start of I Am Catherine the Great, also meaning the grandma of Xavier Riddle.
It's unclear whether that would be the Riddles' dad's mom or the Riddles' mom's mom