Former Labour deputy leader Tom Watson is one of three people to have their nominations for peerages by ex-Labour leader Jeremy Corbyn blocked, it is understood.
Mr Watson was nominated by Mr Corbyn to be elevated to the House of Lords, according to The Independent.
Former Commons speaker John Bercow, and ex-director of Mr Corbyn's office, Karie Murphy, were also declined peerages by the independent watchdog that oversees appointments, according to the newspaper.
Labour leader Jeremy Corbyn (left) and deputy leader Tom Watson attend the start of their party's annual conference at the Arena and Convention Centre (ACC), in Liverpool.
Labour leader Jeremy Corbyn (second left) is congratulated by his deputy Tom Watson after giving his keynote speech at the party's annual conference at the Arena and Convention Centre (ACC), in Liverpool.
Deputy Labour leader Tom Watson (left) with Labour leader Jeremy Corbyn after addressing the Labour Party annual conference at the Brighton Centre, Brighton.
Deputy Labour leader Tom Watson takes part in a morning HIIT fitness class, as part of National Fitness Day before the final day of the Labour Party Conference in Brighton, East Sussex.
Tom Watson MP outside the Labour Party Conference.
Labour deputy leader Tom Watson and Richard Ratcliffe (right), the husband of detained Nazanin Zaghari Ratcliffe, outside the Iranian Embassy in London, where Richard is on a hunger strike.
Deputy Leader of the Labour Party Tom Watson addresses anti-Brexit campaigners in Parliament Square as they take part in the People's Vote March in London.
Labour deputy leader Tom Watson speaking at the Fabian Society new year conference at Friends House in London.
Labour Deputy Leader Tom Watson (right) cycles at the party's annual conference at the Arena and Convention Centre (ACC), in Liverpool, as part of the Labour Cycles initiative to enable more people to have access to active travel.
Mp Tom Watson (centre), with singer-songwriter Crispin Hunt (third left), Blur drummer Dave Rowntree (second row, centre left), and singer-songwriter Newton Faulkner (back row, centre left), outside Google in King's Cross, London, to protest tech giant "parasites" in a fight for better remuneration.
(Left to right) Labour's deputy leader Tom Watson, Feargal Sharkey and Pink FloydÕs Nick Mason join a gathering outside the Houses of Parliament in London calling for a change in the law to protect live venues across the UK.
Deputy Leader Tom Watson speaks during the Labour Party conference in Brighton. Picture date: Tuesday September 26th, 2017. Photo credit should read: Matt Crossick/ EMPICS Entertainment.
Shadow culture secretary Tom Watson speaks in the House of Commons, London, after Culture Secretary Karen Bradley said she is "still minded" to refer Sky's £11.7 billion bid for 21st Century Fox for further scrutiny.
Politian Tom Watson (right) with Chairman of the AELTC Philip Brook on day three of the Wimbledon Championships at The All England Lawn Tennis and Croquet Club, Wimbledon.
Labour leader Jeremy Corbyn sits alongside his deputy Tom Watson (left) at a shadow cabinet meeting in the Houses of Parliament, London.
Tracy Brabin, newly elected MP for Batley and Spen, and Tom Watson, Deputy Leader of the Labour Party, with supporters in Heckmondwike, West Yorkshire, after the former Coronation Street actress was elected Jo Cox's successor as Labour MP for the constituency.
Kate Garraway, Tom Watson MP and Beverley Knight (right) at the Pride Of Britain Awards launch in the State Rooms of Speakers House, Houses of Parliament, London.
Labour Deputy Leader Tom Watson (left) watches as Labour Leader Jeremy Corbyn (right) speaks to the media during a visit to the Polish Social Cultural Association in Hammersmith, west London, which was vandalised with anti-immigration graffiti.
Labour leader Jeremy Corbyn (left) and deputy leader Tom Watson listen as Scottish Labour Party leader Kezia Dugdale speaks during a shadow cabinet meeting in Portcullis House, London.
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A Labour source told the PA news agency: "These were appointments suggested by the previous Labour leader.
"We are not involved in the decision making process. Keir Starmer hasn't been asked to make any appointments."
The Independent suggested Mr Watson was rejected for a peerage after he highlighted the claims of fantasist Carl Beech, who later went to jail, who claimed a paedophile ring had operated in Westminster.
The claims led the Metropolitan Police to conduct dawn raids on the homes of the late military chief Lord Bramall, the late Lord Brittan and former MP Harvey Proctor.
Beech is now serving an 18-year jail term for making up a string of fabricated allegations of rape, torture and murder.
Shortly after Lord Brittan's death in 2015, Mr Watson quoted Beech describing the former home secretary "as close to evil as a human being could get".
Mr Watson, who stood down as an MP in 2019, was later accused of being the "cheerleader in chief" of the fake claims.
In March Lord Cormack, a former peer of Mr Watson, officially registered his opposition to the peerage nomination, saying "one who has abused his place in one House of Parliament should not be admitted to another".