Question:  Lady Augusta Gordon was the fourth illegitimate daughter of a man who was born when?
Sentence (from "Augusta Emma d'Este"): Augusta Emma Wilde, Baroness Truro (née d'Este, 11 August 1801 – 21 May 1866) was the daughter of Prince Augustus Frederick, Duke of Sussex (sixth son of King George III), later Duke of Sussex, by his marriage with the Lady Augusta Murray, second daughter of John Murray, 4th Earl of Dunmore, and his countess, Lady Charlotte Stewart.
Relevant evidence: No