the daughters of mary kay letourneau and her former student-turned husband , vili fualaau , are now older than their father was when , at age 12 , he started an affair with his teacher .
letourneau , then a 34-year-old married mother of four , pleaded guilty to child rape for her illicit affair with her sixth-grade student , which resulted in two pregnancies .
her 16-year-old sister , georgia , was welcomed into the world behind bars after the disgraced teacher was re-arrested and sent back to prison for having another sexual encounter with her former student .