Twenty-seven members of the British royal family have lived to the age of 80 years or older since the Acts of Union 1707 established the Kingdom of Great Britain. These British royal family members consist of two centenarians, eight nonagenarians, and seventeen octogenarians. Of the British royals who have lived to 80 years or longer, twenty have been women and seven have been men. Seventeen of the twenty-seven royals aged 80 or older have been members of the British royal family by blood and eleven have been members through marriage. Of the royals to reach the age of 80 or older, only Princess Mary, Duchess of Gloucester and Edinburgh, was a member of the British royal family by both blood and marriage. The longest-living member of the British royal family has been Princess Alice, Duchess of Gloucester, who lived 102 years and 309 days. Princess Alice became the oldest ever member of the royal family when she surpassed the age of 101 years and 238 days in 2003, the age at which Queen Elizabeth The Queen Mother died in 2002. (Full list...)