Miriam Clegg has described claims in the Daily Telegraph that she influenced her husband's response to the row with Lord Rennard as a "complete fabrication".
The newspaper claimed the 45-year-old was "furious" at Lord Rennard's refusal to apologise to the woman who accused him of sexual harassment, and had "shaped" Nick Clegg's response to the row.
Earlier, Nick Clegg angrily denied suggestions his wife was responsible for his tough stance on the issue, saying it was "just not on" for the media to involve his family in the dispute.
"It's total garbage, it is a complete work of fiction. Look, you can make up stuff about me, as indeed people do day in day out, have a go at me, but just don't drag Miriam into it, don't drag politicians' families into it. That's just not on," the Liberal Democrat leader said.
Deputy Prime Minister Nick Clegg and his wife Miriam Gonzalez Durantez took a break from the Liberal Democrat conference in Glasgow to visit a primary school ahead of the Government announcement on free school meals today.
The Lib Dem leader announced a new £600 million scheme giving all infant school children in England a free school meal from September 2014.
The measure is aimed at helping financially-stretched families but will also have education and health benefits, Mr Clegg said.