Prince Augustus Frederick, Duke of Sussex, was the sixth son and ninth child of King George III and his queen consort, Charlotte of Mecklenburg-Strelitz. He was the only surviving son of George III who did not pursue an army or navy career. A Whig, he was known for his liberal views, which included reform of Parliament, abolition of the slave trade, Catholic Emancipation, and the removal of existing civil restrictions on Jews and Dissenters.

Prince Augustus Frederick, Duke of Sussex
Thomas Gainsborough · PD via Wikimedia Commons
Prince Augustus Frederick, Duke of Sussex
Didier Descouens · Public domain via Wikimedia Commons
Prince Augustus Frederick, Duke of Sussex
Public domain via Wikimedia Commons
Prince Augustus Frederick, Duke of Sussex
James Lonsdale · Public domain via Wikimedia Commons
Prince Augustus Frederick, Duke of Sussex
Artist: G.E. Madeley (fl.1826–1841, date of death unknown). Photograph by User:D · Public domain via Wikimedia Commons
Prince Augustus Frederick, Duke of Sussex
Guy Head · Public domain via Wikimedia Commons