Died of wounds aged 40 years
Buried in Vendresse Churchyard.

John Trefusis was born at Rookesbury Park, the eldest son of John Carpenter-Garnier, of Rookesbury Park, Wickham, Hants, J.P., D.L., M.P. for South Devon, 1873-84 and his wife, the Hon. Mary nee Trefusis second daughter of Charles Rudolph, 19th Lord Clinton.

Educated at Harrow and Christ Church, he entered the Royal Scots Militia in 1894, and was gazetted 2nd Lieutenant to the Scots Guards 26 August 1896, promoted Lieutenant 13 April 1898, Captain 25 October 1902, and Major 10 October 1908. He was Adjutant 1903-05, and Regimental Adjutant 1906 to 1909.

He served through the South African War, 1900-2; took part in the operations in the Orange Free State from May to November 1900, including the actions at Biddulphsberg and Wittebergen, and subsequently in those in the Transvaal. He received the Queen's medal with three clasps and the King's with two.

On the outbreak of the European War he went to France with his regiment which formed part of the first Expeditionary Force on 13 August 1914 and served through the retreat from Mons. In the Battle of the Aisne, he was struck by shrapnel on the 14 September, and died of his wounds on the following day.

He was a member of the Guards' and Bachelors' Clubs, and a keen cricketer, belonging to the M.C.C. and I Zingari. He also played polo, and was fond of hunting and shooting. He was not married.

His Estate amounted to £3704 3s 7d. Probate granted to his father.

His nephew, John Prideaux Carpenter-Garnier (1921) on the Christ Church World War II Roll of Honour