He was born on 2 May 1891 in
Egglkofen. He joined the
Royal Bavarian Army on 21 September 1911 in the rank of
Fahnenjunker (cadet). He was commissioned as a
Leutnant (second lieutenant) on 25 October 1913 and assigned to the 18th Royal Bavarian Infantry Regiment. He fought in
World War I, where he was wounded, and was awarded the Iron Cross (First Class) and the Iron Cross (2nd class) in 1914. After the war, he remained in the army and, on 1 December 1935 was promoted to
Oberstleutnant; on 1 April 1938 he was promoted further to the rank of
Oberst (colonel). From 1 April 1939 till 1941 he served as a military attaché in the German embassy in Rome. After that, he was promoted on 1 October 1941 as
Generalmajor and on 1 October 1942 as
Generalleutnant. In September 1943, as General der Infanterie (promoted on 1 September 1943), he became commissioner of the German army in Italy (Bevollmächtigter General der deutschen Wehrmacht in Italien). On 26 July 1944, he was replaced in this position by SS-Obergruppenführer
Karl Wolff and Toussaint became commissioner of the German army in the office of the Reich Protector of Bohemia and Moravia, replacing
Ferdinand Schaal and, simultaneously, held the position of Commander of the Military District of Bohemia and Moravia. As such, he was the last Nazi commander of
Prague. After
World War II, he was captured by US troops in
Plzeň and, on 19 April 1947, he was transferred into Czechoslovakia, where on 26 October 1948 he was condemned to life imprisonment for the murder of civilians in the
Prague uprising. In 1955, he agreed to collaborate with
Czechoslovak State Security, but the Central Committee of the
Communist Party of Czechoslovakia refused to consent to his release from prison. While still in prison, he provided them information relating to the West German military leaders and political figures. In 1961, as part of an exchange for two communist agents, he was released to West Germany, where he died in 1968. ==Awards==