Cmdr. John TREEVE 
- Born: 12 Mar 1785, Penryn CON
- Christened: 13 Jun 1805, St Gluvias CON
- Marriage (1): Isabella CAMPBELL  on 23 Apr 1819 in St Helier Jersey Channel Islands
- Died: 16 Jul 1855, Vingtaine De Marias Grouvelle Jersey aged 70
- Buried: 17 Jul 1855, Grouville Jersey Channel Islands
Cause of his death was water on the chest.
John was born 12th March 1785 at Penryn, County of Cornwall, he died 16th of July 1855, in Jersey, Channel Islands he was the son of John and Amelia Treeve.
He joined the Navy, 1st January 1801, as a first-class volunteer on board the San Josef, Captain; Thomas Masterman Hardy, bearing the flag of his patron Lord Nelson, whom he followed in the ensuing March, into the St George. In that ship, which bore the flag next of Vice Admiral Charles Morris Pole, he accompanied the expedition to Copenhagen, and proceeded afterwards off Cadiz, where, until the peace of 1802, he continued actively employed on boat service against the enemies gun vessels, part of the time in the capacity of midshipman. He then sailed with a squadron of observation for the West Indies; but returned home in July of the same year and was paid off. Being received in March 1803, on board the Tonnant, he was for 4 years and 10 months employed in that ship on the coast of Spain, in the Mediterranean, off Cadiz, and in the Channel, and was present in her as Master's Mate at the Battle of Trafalgar, 21st October 1805. On leaving the Tonnant he joined on promotion in January 1808, the Belleisle, the flagship of Hon. Sir Alex Cochrane in the West Indies; where he became 2nd of February following and 20th July 1809 an acting and a confirmed Lieutenant of the York. In her he assisted at the reduction of the islands of Marie-Galante, Martinique, The Saintes and the Walcheren. In July, 1812 at which period the York was serving in the Mediterranean, an attack of dysentery and liver complaint obliged him to invalid and return to England. His last appointments were 14th February 1812 and July 1813 to the Magnificent and Rover Sloop, commanded in succession by Capt Justice Finley, by himself (as acting commander) and by Capt Henry William Bruce. While officiating as Second Lieutenant of the Magnificent he landed with a division of seamen and marine's on the North Coast of Spain, and was active in his cooperation with the patriots. He commanded the Rover in the unsuccessful attack upon Baltimore in September 1814. In a few weeks afterwards ill-health obliged him to seek half pay.
He accepted the rank of retired Commander in April 1848.
Commander Treeve married Isabella, eldest daughter of Capt Touchet Blaney Campbell, a Knight of Windsor and a late Capt in the third Royal Veteran Battalion, a gentleman nearly allied to the noble houses of Breadalbane, Holland, Blaney, and Shrewbury.
Ref: O'Byrnes Naval Biography - published 1849.
Treeve, Commander John (son of John and Amelia) born Penryn 12 March 1785; bap St Gluvias 13th June 1805, "on his mother's affidavit annexed" entered the Navy as a first-class volunteer 1st of January 1801; Masters Mate 21st of October, 1805; Lieutenant 20th July 1809; Acting Commander 1813; retired Commander on half pay 4th of April 1848. Died Jersey 16th July 1855.
Ref. Bibliotheca Cornubiensis; Writings of Cornishmen - George Clement Boase & William Prideaux Courtney, published 1878, page 737.
In the 1841 Census John was living in the Fort Henry Barracks in Grouville, Jersey.
Precis of Will made by John TREEVE
September 19 1853 Grouville Jersey
Life insurance policies to his two youngest children Ellen Laura and William Thomas.
To his eldest daughter Isabella Sophia a sum of Fifty Pounds which was in the form of a Legacy.
Not mentioned were bequests to any of his surviving sons, evidence suggests they had emigrated to Australia and were not in any need of any part of his estate.
Isabella together with a friend Phillip Gospet were to hold the Policies in trust until a certain age,
To Isabella all of the household furniture and any other Chattel, or Property of which he owned, subject to all of his debts including his funeral expenses being paid.
Ref: Fred Pendlebury 2013
John married Isabella CAMPBELL  [MRIN: 4338], daughter of James Touchet Blayney CAMPBELL  and Isabella TAYLOR , on 23 Apr 1819 in St Helier Jersey Channel Islands. (Isabella CAMPBELL  was born on 23 Apr 1802 in Grouville Jersey Channel Islands, christened on 27 Apr 1802 in Grouville Jersey Channel Islands, died on 26 Jan 1860 in Sydney Harbour Aust. and was buried on 28 Jan 1860 in Camperdown Newtown NSW.). The cause of her death was by drowning in Sydney Harbour.