Wayanad Child Welfare Committee former chairman Fr Thomas Joseph Therakam, former member Sr Betty Jose and Sr Ophelia, the superintendent of Holy Infant Mary's Girls Home at Vythiri in Wayanad, surrendered before Peravoor police inspector on Friday. They are charged to have helped in concealing the rape of a minor girl by priest, Robin Vadakkancheril alias Mathew Vadakkancheril, and the birth to a baby boy as a consequence.