|36th Prime Minister of Belgium|
8 June 1950 – 16 August 1950
|Preceded by||Gaston Eyskens|
|Succeeded by||Joseph Pholien|
|President of the European Parliament|
21 March 1964 – 24 September 1965
|Preceded by||Gaetano Martino|
|Succeeded by||Victor Leemans|
|Born||10 April 1900|
Les Bons Villers, Belgium
|Died||10 October 1977 77) (aged|
|Political party||Christian Social Party|
Duvieusart served as minister of Economic affairs (1947-1950 en 1952-1954).
In 1950 he served two months as the 36th Prime Minister of Belgium but he resigned after the abdication of King Leopold III.
He was president of the European Parliament (1964–1965).
On 8 July 1930, Duvieusart married Blanche Dijon (18 November 1907 – 24 February 1984) and had three sons and one daughter, Philippe (born 1932), Léopold (born 1933), Étienne (born 1935) and Thérèse (1939).
| Prime Minister of Belgium