Princess Augusta was born on 19 July 1822 at the Palace of Montbrillant, Hanover. Her father was Prince Adolphus, Duke of Cambridge, the seventh son of George III and Charlotte of Mecklenburg-Strelitz. Her mother was Princess Augusta of Hesse-Kassel. As a male line granddaughter of the British monarch, she was titled a British princess with the style of "Royal Highness". The young princess was baptized at the same palace on 16 August 1822, by Rev Edward Curtis Kemp (Chaplain to the British Ambassador to the Court of Berlin, The Rt. Hon. Sir George Rose).