THOMAS Kingston, the husband of Lady Gabriella Windsor, has died.
The 45-year-old British businessman married the daughter of Prince and Princess Michael of Kent in 2019.
His tragic death was announced this evening after he was found at an address in Gloucestershire at around 6pm on Sunday.
A statement on behalf of his loving wife and family said: "It is with the deepest sorrow that we announce the death of Thomas Kingston, our beloved husband, son and brother.
"Tom was an exceptional man who lit up the lives of all who knew him. His death has come as a great shock to the whole family and we ask you to respect our privacy as we mourn his passing."
King Charles and Camilla have now also paid tribute.
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Their statement reads: "The King and The Queen have been informed of Thomas’s death and join Prince and Princess Michael of Kent and all those who knew him in grieving a much-loved member of the family.
"In particular, Their Majesties send their most heartfelt thoughts
and prayers to Gabriella and to all the Kingston family."
Thomas' wife, Lady Gabriella Windsor, is the daughter of Prince and Princess Michael of Kent.
The late Queen and Prince Michael were first cousins through their fathers.
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Gloucestershire Constabulary has said it was called by the ambulance service about the death of Thomas Kingston, the husband of Prince and Princess Michael of Kent's daughter Lady Gabriella Kingston.
The force said: "We were called by the ambulance service at 6.25pm on Sunday with a report of the death of a 45-year-old man at an address in the Cotswolds.
"The death is not being treated as suspicious and a file will be prepared for the coroner."
FINAL PHOTO
Thomas was last pictured at the Celebration of Shakespeare at Grosvenor House Park Lane Hotel in London on Valentine's Day.
He was with his wife Lady Gabriella and the pair posed for cameras as they wrapped their arms around each other.
Thomas and Lady Gabriella were at the event supporting Queen Camilla as she spoke to some of Britain's best actors.
King Charles was at the time recovering at Sandringham after he had undergone a "corrective procedure" for an enlarged prostate in London only days before.
It comes as the Prince and Princess Michael of Kent put on a brave face on Tuesday and attended a memorial just hours after their son-in-law's death.
Her Majesty Queen Anne-Marie, former Queen of the Hellenes and His Royal Highness Crown Prince Pavlos, along with other members of the Greek Royal Family, were at Windsor Castle.
The ceremony was held at St George's Chapel - where Thomas and Lady Gabriella were married in 2019.
Prince William and the King were also set to attend, but both had to pull out.
LONDON'S 'MOST ELIGIBLE MAN'
Thomas worked in frontier market investment, and was the director of Devonport Capital.
He was once described as "the most eligible man in London".
Thomas graduated from the University of Bristol with a bachelor's degree in economic history, according to .
He worked in the Diplomatic Missions Unit of the United Kingdom's Foreign Office, and for almost three years worked in Baghdad as a project officer for the Iraqi Institute of Peace.
His job was to mediate conflicts in Iraq, and he even helped negotiate the release of hostages.
Thomas then moved into finance, working as an equity analyst for global asset management firm Schroders.
Tom was an exceptional man who lit up the lives of all who knew him.
Statement from Tom's family
He was managing director of Voltan Capital Management until April 2017.
Thomas dated Pippa Middleton back in 2011, after she split from cricketer Alex Loudon.
They met through mutual friends, and although their romance was short-lived, they remained close.
Thomas and Lady Gabriella even bagged an invite to Pippa's wedding to James Matthews in 2017.
A friend of Pippa's previously told the : "Tom is utterly charming, polite and very popular with the ladies.
"In fact, he is just the kind of guy you would want to introduce to your mother."
In September 2018, it was announced that Thomas was engaged to Lady Gabriella Windsor, who's 51st in line to the throne.
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Lady Gabriella married Thomas on Saturday, May 18, 2019 in St George's Chapel, Windsor Castle, in what was the third royal wedding in the space of a year.
The late Queen led the royal guests at the wedding and was joined by the Duke of Sussex who left his baby son Archie and wife Meghan Markle at home to attend.