You woke up and went downstairs, it was Christmas day and you're family went downstairs along with you.. it was time to open presents and then you unwrapped a "."elfs behaving badly".".. Susie: You're middle sister 10 years old Charlie: you're youngest brother 7 years old William: you're middle brother: 9 years old Lydia: you're youngest sister: 6 years old Lauren: the mother 41 years old Kyle: the dad who is 52 years old