Margot Covey is Lara Jean's and Kitty's older sister. She has four children: Two daughters, ages 6 and 4, a 2-year-old boy and Thing 4 is a 12 year old girl. I have to give him our daughter on his visitation weekend? However, as your archetypal drunk stepmother, I am at least cute. Please don't look for trouble where there is mounting tension between father.