Kensington Palace is the official London residence of the Duchess of Gloucester, who is the first cousin of whom?
Kensington Palace: Kensington Palace is a royal residence set in Kensington Gardens, in the Royal Borough of Kensington and Chelsea in London, England. Kensington Palace:  It has been a residence of the British Royal Family since the 17th century, and is currently the official London residence of the Duke and Duchess of Cambridge, Prince Harry, the Duke and Duchess of Gloucester, the Duke and Duchess of Kent, and Prince and Princess Michael of Kent. Birgitte, Duchess of Gloucester: Birgitte, Duchess of Gloucester, {'1': ", '2': ", '3': ", '4': "} (born Birgitte Eva Henriksen on 20 June 1946; later van Deurs), is the wife of Prince Richard, Duke of Gloucester, a first cousin of Queen Elizabeth II.
Queen Elizabeth II