He was born 25 March 1947 in Valletta, Malta to Victor Borg and Mary Barthet and is a nephew of the famous Maltese Artist Esprit Barthet (1919–1999) and has five siblings: Anna; Henry; Charles; Victor; Paul.
He married Carmen Busuttil in 1974 and has three children Jacque; Maria Paula; and Justin.
[citation needed] He suffered a spinal injury in 1960 which disabled his left leg and was treated at Stoke Mandeville Hospital Rehabilitation Centre in Aylesbury, England.
He was an active member of Student Representative Council at Royal University of Malta (1968–1972), Secretary General (1968–1970), President 1971 Student Representative Faculty Board of Laws, Senate and Council.
Represented Government of Malta in various committees of Council of Europe, at Commonwealth Law Ministries Conferences (New Zealand, Mauritius, Trinidad), European Minister of Justice Conferences (The Hague, Ottawa, Istanbul, Nicosia, Bucharest, Moldova, Lugano, Budapest, London, Prague, Malta, Morocco, Sofia) and at other meetings and in bilateral negotiations, co-chaired joint meetings OECD -Co-operative Jurisdiction on unfair tax practices.