The ex-wife of a former surgeon at the center of France’s largest ever child sexual abuse case told a court Wednesday insisted she knew “nothing” of her husband’s near 30-year history of abusing children.

A former surgeon is set to stand trial in France for the alleged rape or sexual abuse of 299 victims. Most of them were children who were his patients.

A retired surgeon accused of raping and sexually assaulting hundreds of young patients, some while they were under anesthetic, told the opening of his trial in western France on Monday that he had committed "despicable" acts.

Prison officers escort ex-surgeon Joel Le Scouarnec from a vehicle, during his trial, where he is charged with aggravated rape and sexual assault against hundreds of children over several decades, in Vannes,