Career
Jongeling worked as a journalist for the anti-revolutionary newspaper Nieuwe Provinciale Groninger Courant. In 1941, during the German occupation, the publication was banned, and in 1942, Jongeling was sent to the Amersfoort concentration camp, later being transferred to Sachsenhausen. After the war, Jongeling became editor of Nieuwe Provinciale Groninger Courant, but later left to become editor of De Vrije Kerk.
Jongeling was elected to the House of Representatives in 1963, and served until 1977 as leader of the GPV. Jongeling was a supporter of the Dutch monarchy and opposed the legalization of abortion.
