Sir William Robert Mends, , was a British admiral of the Royal Navy, eldest son of Admiral William Bowen Mends and nephew of Captain Robert Mends. William Mends was born at Plymouth into a naval family. He married Melita, third daughter of Dr Joseph Stilon M.D. R.N. on 6 January 1839. The doctor was born Giueseppe Maria Joseph Stilon, a native of Calabria and a Royal Naval surgeon in Malta.
Naval career
He entered the Royal Naval College on 7 May 1825. On 11 August 1835 he became a lieutenant and from 30 December served on-board in the Mediterranean. He moved to, the flagship of Josias Rowley and commanded by John M'Kerlie on 29 November 1836. From 13 January 1837 he served as lieutenant in commanded by Hyde Parker, still in the Mediterranean. Mends moved to take command of, a receiving ship based at Malta on 28 July 1838. Mends was posted to, then as flag lieutenant to Sir John Louis, Admiral-Superintendent at Malta. From 3 November 1843 to 1846 he served as lieutenant in commanded by Commodore Sir Henry Martin Blackwood stationed off Ireland and then the East Indies. On 8 November 1846 he was promoted to commander, serving in from 1 January 1848 to March 1849 once more in the Mediterranean, under, and then from 11 July 1850 on commanded by Henry Martin Blackwood at Portsmouth. Mends was promoted to captain on 10 December 1852. He served from 22 October 1853 to 1 January 1854 as captain of, flagship to Rear-Admiral Edmund Lyons of the Mediterranean fleet, during the Crimean War. From January 1854 he was captain of serving in the Black Sea. Between 14 February 1855 and April 1857 he was captain of, flagship to Edmund Lyons in the Black Sea and then the Mediterranean. From 3 April 1857 to 1 February 1860 he was captain of on Coast Guard service. He moved to take command of on 1 February 1860 when she replaced Hastings on coast guard service and was then appointed deputy controller general of the coast-guard in 1861. He spent May 1862 to February 1883 as Director of Transport at the Admiralty. Mends retired at the rank of rear-admiral on 1 January 1869, was promoted to vice-admiral on 1 January 1874 and then a full admiral on 15 June 1879.