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A federal judge rejected an emergency motion Sunday to stop a deposition by Bill Cosby's wife and ordered Camille Cosby to show up Monday morning to answer questions related to sexual assault allegations against her husband.

Lawyers for Camille Cosby have lost numerous motions seeking to quash demands that she be deposed as part of a civil case brought against Bill Cosby by seven woman who claim he defamed them by denying their sexual assault allegations.

U.S. District Judge Mark Mastroianni scheduled Camille Cosby's deposition for 9:30 a.m. ET Monday in Springfield, Massachusetts.

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Camille Cosby's attorneys claimed in their emergency motion Sunday that a U.S. magistrate judge made a "clearly erroneous" ruling Friday in allowing the deposition to go ahead.

But Mastroianni said in a brief filing Sunday night that "there is no meritorious basis for the relief being sought."

Bill Cosby has repeatedly denied allegations made by dozens of women who have accused him of sexual misconduct or assault dating back to the 1960s. He countersued the seven women suing him in Massachusetts, claiming they had defamed his character.

The defamation case doesn't involve the woman in a criminal case against Cosby.