- Princess Alice
- United Kingdom (London)
Princess Alice, Duchess of Gloucester (UK, b. Lady Alice Christabel Montagu Douglas Scott, 25 December 1901), became the oldest known royal in history when she reached the age of 101 years and 269 days on 20 September 2003. She died peacefully in her sleep at the age of 102 years 309 days on 29 October 2004 at Kensington Palace, London, UK. She beat the previous record held by Princess Leonilla of Sayn-Wittgenstein-Sayn (Prussia) (b. 9 May 1816 - 1 Feb 1918) who had a lifespan of 101 years and 268 days.