LONDON, UNITED KINGDOM - MAY 03: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Camilla, Duchess of Cornwall attends a Service of Thanksgiving for the life of Geoffrey Howe (Lord Howe of Aberavon) at St Margaret's Church, Westminster Abbey on May 3, 2016 in London, England.  Conservative politician Geoffrey Howe who served as Chancellor of the Exchequer and Foreign Secretary during the 1980's died aged 88 on October 9, 2015. (Photo by Max Mumby/Indigo/Getty Images)