Bev Tyler was Jacob and Winnie Tyler's daughter. Her father abandoned the family in June1977, even though he knew Winnie was pregnant.
Her mother gave birth to twins. Needing money, Winnie decided to sell one of them to the Jerichos. The four-year old Bev secretly followed and saw the transaction, which took place on Christmas Eve1977. However, Winnie was so ashamed of what she had done that she never spent the money, staying in the Quadrant and raising Bev and the twin she kept, Gabriel.