Original: Sandwich retired from public duty in 1782, and lived another ten years, dying on 30 April 1792. His title of Earl of Sandwich passed to his eldest son, John Montagu, 5th Earl of Sandwich, who was 48 at the time.
Simplified: John Montagu, 4th Earl of Sandwich was born on November 3, 1718 and died on April 30, 1792 in Great Britain.