Background
He was born at Rehna, Mecklenburg-Schwerin, German Empire (now Mecklenburg-Vorpommern, Germany), the first child of Wilhelm von Amsberg (1856–1929), by his marriage to Elise von Vieregge (1866–1951).
He was born at Rehna, Mecklenburg-Schwerin, German Empire (now Mecklenburg-Vorpommern, Germany), the first child of Wilhelm von Amsberg (1856–1929), by his marriage to Elise von Vieregge (1866–1951).
In World War I he fought as a German officer in the Imperial German Army at the side of General Paul von Lettow-Vorbeck in German East Africa. Claus was from 1917 the steward of an estate after a failed venture in Africa as a planter. In 1928 he moved with his family to Tanganyika (now Tanzania), where he remained during the outbreak of World World War II as the manager of an Anglo-German tea and sisal plantation.
He returned to Germany in 1947.