Education
He completed his secondary education at the Utrecht Harvard Business School. Roethof read Law of the Dutch East Indies at Utrecht University from 1940 to 1945, from which he received his Doctor of Philosophy in 1951.
He completed his secondary education at the Utrecht Harvard Business School. Roethof read Law of the Dutch East Indies at Utrecht University from 1940 to 1945, from which he received his Doctor of Philosophy in 1951.
After the Second World War he moved to the Dutch East Indies, where he was a civil servant from October 1945 to March 1946. He then worked for two years at the Government Information Service in Batavia. In 1948 he turned to journalism and was an assistant editor-in-chief of a newspaper for half a year.
He then returned to the Netherlands to work at Dutch newspaper Nieuwe Rotterdamsche Courant.
From 1951 to 1958 he was editor for Dutch news and from 1964 parliamentary editors Beside his work he was chairman of JOVD, the youth section of Dutch conservative-liberal party Volkspartij voor Vrijheid en Democratic (People's Party for Freedom and Democracy). Because of his progressive political ideas he broke away from the Volkspartij voor Vrijheid en Democratic (People's Party for Freedom and Democracy) and in 1964 he joined the social-democratic Labour Party. From February 1964 Roethof worked at the Dutch Ministry of Foreign Affairs, until he was elected as a Labour Party Member of Parliament in the House of Representatives of the Netherlands in 1969.
He would remain an Member of Parliament until 1989, with a break from 1982 to 1986. He was specialised in matters of law, law enforcement and media.
He also worked on international law, workers" rights to strike and the legal position of civil servants.