On 3 March 1949 Witteveen married Liesbeth de Vries Feijens ( born 1 April 1920 ) . They had four children , three sons and 1 daughter . Willem Witteveen ( 1952 – 2014 ) , Paul Witteveen ( 1955 – 2012 ) , Raoul Witteveen and there daughter ( born 1960 ) . Liesbeth de Vries Feijens died on 25 November 2006 at the age of 86 . His eldest son Willem Witteveen was also a politician , professor and author , he like his father had served in the Senate . Willem Witteveen , his wife and daughter died on 17 July 2014 when Malaysia Airlines Flight 17 was shot down over Ukraine . Witteveen was also a first cousin once removed of the in 2004 murdered filmmaker Theo van Gogh . Witteveen died on 23 April 2019 in his home in Wassenaar at the age of
Malaysia Airlines Flight 17
Malaysia Airlines Flight 17
Johan Witteveen