Britain's royal family is mourning the death of its oldest member, the Duchess of Kent.

The duchess, Katharine, died on Thursday at the age of 92 in Kensington Palace, her longtime home, Buckingham Palace announced Friday.

The Duchess Katharine of Kent waves to the media after being received into the Roman Catholic church by the Archbishop of Westminster. Photo by DAVE GAYWOOD/AFP via Getty Images

The duchess became part of the royal family in the early 1960s, when she married Prince Edward, the Duke of Kent, a first cousin of the late Queen Elizabeth II.

Together, the couple shared three children.

The duchess was a staple at royal family functions, including appearing on the balcony of Buckingham Palace, until her retirement from being a working royal in 2002.

Her most high-pr

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