Herbert Keeble was born 18 September 1922, the son of Herbert Keeble and Gertrude Keeble, BEM; he was educated at Clacton County High School and London University. In 1947 he married Margaret Fraser.
After serving in the Armed Forces, 1942-47, Keeble entered the Foreign (subsequently Diplomatic) Service in 1947. His career included: Jakarta [Indonesia], 1947-49; Foreign Office, 1949-51; Berlin [Germany] 1951-54; Washington [United States], 1954-58; Foreign Office, 1958-63; Counsellor and Head of European Economic Organisations Department, 1963-65; Counsellor (Commercial), Berne [Switzerland], 1965-68; Minister, Canberra [Australia] 1968-71; Assistant Under-Secretary of State, Foreign and Commonwealth Office, 1971-73; HM Ambassador, German Democratic Republic, 1974-76; Deputy Under Secretary of State (Chief Clerk), FCO, 1976-78; Ambassador at Moscow [Soviet Union], 1978-82; Special Adviser, House of Commons Foreign Affairs Committee, 1985-86.
His honours and awards include: GCMG 1982 (KCMG 1978; CMG 1970). He died in December 2008.