Captain John Conn (c. 5 August 1764 – 4 May 1810) was a senior captain in the Royal Navy, whose career, which included service at the battles of the Saintes, the Glorious First of June, Copenhagen and Trafalgar, ended in a shipboard accident before he could reap the rewards of his long service. Conn could also claim membership of Nelson's "Band of Brothers", a clique of dashing naval officers who participated in Nelson's campaigns during the French Revolutionary and Napoleonic Wars, as well as a close friendship with the admiral himself, who once said: "A better or more zealous officer than Captain Conn is not in His Majesty's service." Biography Born to a Royal Navy warrant officer of Irish extraction, also named John Conn, he was baptised at Stoke Damerel, Devon, on 5 August 1764. Conn first went to sea in 1778, aged thirteen, aboard on his father's ship , before securing a place on as a midshipman, and in which he saw action at the battle of the Saintes in April 1782. In 1788 he was made a lieutenant, but had to wait five years before being given a good position, using the intervening time to marry Margaret Nelson, a vicar's daughter. Serving aboard the flagship at the Glorious First of June, he came to the attention of Admiral Lord Howe. He commissioned the 12-gun gun vessel in June 1797 but left her a year later. He then further distinguished himself in October 1798 in at the battle of Donegal, which resulted in the destruction of a French invasion fleet headed for Ireland. He was promoted to commander on 11 August 1800 and took command of the bomb vessel . At the first battle of Copenhagen his expertise caused terrible damage to the Danish fleet. Next, he participated in Nelson's bold but disastrous attack on the French invasion force in Boulogne shortly afterwards, commanding the division of gun-boats, and gaining his commanding officer's attention and respect. Conn received promotion to post-captain on 29 August 1802 and took command of . His nine-year-old son Henry joined him on Culloden. Conn then transferred to the French prize and joined Nelson in the Mediterranean at Nelson's request. In 1805 Conn was given temporary command of the first rate flagship and his old ship Royal Sovereign whilst their commanders were on leave; his performance further contributed to his reputation as a reliable and