John Byng Frewen

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Sir John Byng Frewen

G.C.B. K.C.B. C.B.
Rear-Admiral John Byng Frewen 8 February 1961, © National Portrait Gallery, London.
Born28 March 1911
Died1 September 1975 (aged 64)
AllegianceFlag United Kingdom of Great Britain and Northern Ireland.gif United Kingdom
Service BranchNaval Ensign of the United Kingdom from 1801.png Royal Navy
Years Active1929–1970
Highest RankAdmiral command Flag RN from 1864.png Admiral
Commands heldHMS Mounts Bay (1945)
Chief of Staff to the Commander-in-Chief, Home Fleet & Flag Officer, Second-in-Command, Far East Station
Vice-Chief of Naval Staff
Home Fleet
Portsmouth Station & Allied Command Channel
Naval Home Command
WarsFirst World War
Second World War

Admiral Sir John Byng Frewen G.C.B. K.C.B. C.B., (28th March 1911 – 1st September 1975) was a Royal Navy flag officer who went to become Commander-in-Chief, Home Fleet (1965-1967), then Commander-in-Chief, Portsmouth and Commander-in-Chief, Allied Command Channel (1967-1969) and finally Commander-in-Chief, Naval Home Command (1969-1970).[1]

Naval career

Frewen joined the Royal Navy in 1929. On 1st December 1932 he was promoted to Lieutenant. He served in World War II in the Arctic Russian Convoys. On 1st December 1940 he was promoted to Lieutenant Commander. On 26th January 1943 he was appointed Squadron Navigating Officer, 1st Aircraft Carrier Squadron [HMS Formidable] until July 1945 and whilst in this post was advanced to the rank of Commander on 30th June 1945. He also served in the Korean War as Commander of HMS Mounts Bay (1945). On 30th June 1950 he promoted to the rank of Captain.

Flag Appointments

Frewen was appointed to flag rank as a Rear-Admiral on 7th July 1959 when he was next appointed Chief of Staff to the Commander-in-Chief, Home Fleet in August 1959,[1] and then became Flag Officer, Second-in-Command Far East Station in 1961.[1] On 9th August 1962 he was advanced to the rank of Vice-Admiral. He went on to be Vice-Chief of Naval Staff in 1963,[1] and Commander-in-Chief, Home Fleet in 1965.[1] On 9th February 1966 he was advanced to the rank of Admiral and was then appointed Commander-in-Chief, Portsmouth in 1967 and additionally in his NATO capacity Commander-in-Chief, Allied Command Channel.[1] Finally he was appointed the first Commander-in-Chief, Naval Home Command (following the merger of the Portsmouth Station and Plymouth Station in 1969.[1] Frewen was also First and Principal Naval Aide-de-Camp to Queen Elizabeth II from 1968 to 1970. He retired in 1970.[1]


  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 "Frewen, Adm. Sir John Byng, (28 March 1911–30 Aug. 1975), idc; Commander-in-Chief, Naval Home Command, 1969–70". WHO'S WHO & WHO WAS WHO (2020). London and Oxford: A & C Black and Oxford University Press. 1 December 2007. doi:10.1093/ww/9780199540884.013.u154636. Retrieved 14 October 2020.