HMS Barfleur was a 90-gun second-rate ship of the line of the Royal Navy, designed by Sir Thomas Slade on the lines of the 100-gun ship Royal William, and launched at Chatham Dockyard on 30 July 1768,

Admiral of the White Thomas Graves, 1st Baron Graves, KB was a Royal Navy officer, politician and colonial administrator who served in the Seven Years' War and American War of Independence. He also se