Princess Marina, 61, died on Tuesday from an inoperable brain tumour, only hours after it had been revealed that she was seriously ill.

The royal mourners at the service at St George's Chapel in the grounds of Windsor Castle were led by the Queen, Princess Marina's niece by marriage.

Other members of the Royal Family at the service included the Duke of Edinburgh, the Prince of Wales, Princess Anne, the Queen Mother and Princess Margaret.

They sat next to Princess Marina's children in the front pew.

Behind them sat the Duke of Windsor, the former Edward VIII, who had flown from his home in France.

Foreign royalty was also represented at the service - Princess Marina was a member of the now-deposed Greek royal family.

Widowed young

At the time of her marriage to Prince George, the Duke of Kent, in 1934 the princess was one of a long line of foreign princesses to marry into the British royal family.

She became engaged to Prince George - a distant cousin - in 1934 during a summer spent with her sister, Princess Olga of Yugoslavia.

However, she was widowed at a young age when Prince George was killed in an air accident as he flew to inspect troops in Iceland in 1942.

But Princess Marina continued to be a popular member of the royal family, involved with many charities and carrying out royal duties.

The princess' coffin was carried into the chapel by eight officers from the three regiments of which she was Colonel-in-Chief.

The service was conducted by the Archbishop of Canterbury, Dr Arthur Ramsey.

Also officiating was Archimandrite Gregory Theodorus of the Greek Orthodox Church, the religion into which Princess Marina was born.

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