He has faced allegations of bullying from former members of staff, which he has denied, and in January, came under increasing pressure to resign after he was found to have a “Bollocks to Brexit” sticker in his car window.
Mr Bercow said: “That sticker on the subject of Brexit happens to be affixed to or in the windscreen of my wife’s car,” he explained to MPs.
“She is entitled to her views: that sticker is not mine – and that’s the end of it.”
In March, he thwarted an attempt from then-Prime minister Theresa May to bring a third meaningful vote to Parliament on her Brexit deal after she had suffered already suffered two humiliating defeats on it.
He described it as “the same proposition or substantially the same proposition” as the second.