Sackville Lane-Fox, 12th Baron Conyers

Sackville George Lane-Fox, 12th Baron Conyers and de jure 15th Baron Darcy de Knayth (14 September 1827 – 24 August 1888) was a British peer and soldier.

Early life Lane-Fox was the eldest son of Lady Charlotte Osborne (d. 1836) and Sackville Lane-Fox (1797–1874), a British Conservative Party politician.

Career On 7 August 1846, he became a cornet by purchase in the Royal Horse Guards and exchanged to the 13th Light Dragoons on 28 December 1849. He retired from the regiment in April 1850.

He returned to the Army after the outbreak of the Crimean War. On 29 December 1854, he was commissioned an ensign in the 21st Regiment of Foot. Lane-Fox served with the regiment at the Siege of Sevastopol, for which he later received the medal and clasp. He exchanged as a lieutenant into the 87th Regiment of Foot on 22 July 1856 and retired from the regiment around June 1859.

He was appointed a cornet in the Yorkshire Hussars on 24 May 1861, but retired from the regiment in September and became a lieutenant in the Royal East Kent Yeomanry on 19 May 1863.

Titles and estates In 1859, Lane-Fox had inherited the Portuguese countship of Mértola and the baronies of Darcy de Knayth The Hon. Violet Ida Evelyn (1865–1929), who married George Herbert, 4th Earl of Powis.

On Lord Conyers' death in 1888 his English baronies became abeyant between his two daughters; the barony of Conyers became granted to Marcia in 1892, and that of Darcy de Knayth became granted to his other daughter, Violet in 1903. His Portuguese countship passed to Marcia with immediate effect. His widow, Lady Conyers, died on 12 November 1921.