What was the name of XXX mother?
Prince Augustus Frederick, Duke of Sussex
Prince Augustus Frederick, Duke of Sussex KG KT GMB PRS FRSA (27 January 1773 -- 21 April 1843), was the 6th son and 9th child of George III of the United Kingdom and his consort, Charlotte of Mecklenburg-Strelitz.
Charlotte of Mecklenburg-Strelitz