The Agnew, later Agnew-Somerville baronetcy of Clendry was created on 31 January 1957 for the naval officer and politician Peter Garnett Agnew.
Agnew, later Agnew-Somerville baronets, of Clendry (1957) Sir Peter Garnett Agnew, 1st Baronet (1900–1990) Sir Quentin Charles Agnew-Somerville, 2nd Baronet (8 March 1929 – 2010). He assumed by Royal Licence in 1950 the additional surname of Somerville, after that of Agnew, and the arms of Somerville quarterly with those of Agnew, in compliance with the will of his uncle by marriage James Somerville, 2nd Baron Athlumney. Sir (James) Lockett Charles Agnew-Somerville, 3rd Baronet (born 1970)
As of , there is no heir to the baronetcy.
Extended family The actress Geraldine Somerville is a daughter of the 2nd Baronet.
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