Admiral of the Fleet John Jervis, 1st Earl of St Vincent GCB, PC (1735-1823) was an admiral in the Royal Navy and Member of Parliament in the United Kingdom. Jervis served throughout the latter half of the 18th century and into the 19th, and was an active commander during the Seven Years' War, American War of Independence, French Revolutionary War and the Napoleonic Wars. He is best known for his victory at the 1797 Battle of Cape Saint Vincent, from which he earned his titles, and as a patron of Horatio Nelson.
Admiral of the Fleet Sir William Parker, 1st Baronet, GCB (1781-1866), was a Royal Navy officer. As a captain's servant he took part in the Battle of The Glorious First of June in June 1794 during the French Revolutionary Wars and, as a captain, he participated in the capture of the French ships Marengo and Belle Poule at the Action of 13 March 1806 during the Napoleonic Wars. As Commander-in-chief of the East Indies and China Station, he provided naval support at various actions between 1841 and 1842 during the First Opium War. He was later appointed Commander-in-Chief, Mediterranean Fleet in February 1845.