Two Doncaster men are to face trial on 69 charges of sexual offences against children.
South Yorkshire Police today released details of the case for the first time and appealed for people to come forward with further information.
Anthony Marsh, aged 53, a salesman, of Menson Drive, Hatfield, and Lee Davis, aged 39, unemployed, of Rowena Road, Conisbrough, are due to be tried at Sheffield Crown Court in December.
Marsh, who also uses the names Tony Taylor and Tony Smith, has been charged with 36 offences including possessing and distributing indecent images of children, and sexual activity with a child.
Davis, who also uses the name James Parkin, has been charged with 32 offences including rape, sexual activity with a child and taking indecent photographs of a child.
Both men have also been charged with conspiracy to commit sexual activity with children.
The offences with which the men have been charged are alleged to have take place over a number of years dating back to 2005.
Both men are currently remanded in custody and will be asked to make their pleas at the Crown Court on September 27.
Det Insp Delphine Waring, the senior investigating officer, said today: “Anyone with any concerns about this case should contact South Yorkshire Police on 0114 220 2855.”