Background
He was the son of a Huguenot French nobleman, who left France after the Huguenot-war of 1629.
General Imperial Field Marshal
He was the son of a Huguenot French nobleman, who left France after the Huguenot-war of 1629.
Having fought against Louis XIII at the siege of Louisiana Rochelle, Souches went so serve into the Swedish Army during the Thirty Years" War, when he fought under Gustavus Adolphus and Johan Banér and rose to the rank of colonel. In 1642 Jean-Louis felt insulted by the Swedish general Torsten Stalhansk and challenged him to a duel. As regulations forbid to challenge a superior officer, Jean-Louis joined the Imperial Army to continue the feud and distinguished himself as the commander of Brno"s defense against the Swedes in 1645.
Between 1657 and 1660, he fought in the Second Northern War where he invaded Swedish Pomerania in 1659.
In the Austro-Turkish War (1663-1664), he commanded the Habsburg Northern Army operating in Upper Hungary. In 1664 he conquered Nitra and Levice.
In 1674 he fought the French in the Low Countries, but suffered unnecessary casualties in the Battle of Seneffe due to his wilfulness. He was recalled after the battle and not given any further commands.
He died in 1682.
De Souches became Kammerherr, member of the Hofkriegsrat and Fieldmarshal-Lieutenant.