A wife found out her long-lost daughter was pregnant with her dad's child after reading about it in one of her other children's journals. Steven Pladl, 42, left his wife to start a relationship with his 20-year-old daughter Katie Pladl, who has now reportedly given birth to his child. Steven also told his other children that they should start referring to their eldest sibling as their "step-mom", according to court documents. The couple are now facing criminal charges after police uncovered the horrendous scandal. Katie was given up for adoption at birth in 1998. When she turned 18, she decided to track down her biological parents. She reportedly first contacted her biological parents through social media. The family then arranged for her to come and visit them in Richmond, West Virginia, in August 2016 and she met the Pladl's and her two younger siblings. Within months of meeting her parents, her mum had moved out of the family home with her two childre...