Buckingham Palace reported the death of Thomas Kingston, the husband of Prince and Princess Michael of Kent’s daughter Lady Gabriella Kingston, at the age of 45.

Lady Gabriella is currently 56th in the line of succession to the British throne, behind her niece, Isabella Windsor, according to The Independent.

In a statement issued on behalf of Lady Gabriella Kingston, Martin and Jill Kingston, Joanna Connolly, and Emma Murray, “It is with the deepest sorrow that we announce the death of Thomas Kingston, our beloved husband, son, and brother,” according to PEOPLE.

“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,” the statement added.

Kingston was reportedly discovered in Gloucestershire on Sunday evening. Emergency personnel were dispatched to the area shortly after 6 p.m.

According to a representative for Buckingham Palace, “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.”

“IIn particular, Their Majesties send their most heartfelt thoughts and prayers to Gabriella and to all the Kingston family,” the spokesperson said in a statement.

Lady Gabriella married British financier Thomas at St. George’s Chapel in Windsor Castle on May 19, 2018.

Lady Gabriella and Thomas used to accompany the royal family to events such as Wimbledon, Royal Ascot, and Queen Elizabeth’s Platinum Jubilee celebration in 2022.

Similarly, the couple attended Queen Elizabeth’s funeral in September 2022.