He was born the son of Wilhelm von Kardorff and followed him in adopting a career in politics.
Describing himself as a "left-wing Free Conservative",[1] Kardoff was from 1910 to 1918 member of Prussian House of Representatives.
Kardorff helped found the German National People's Party.
[4] Kardorff later joined the German People's Party and was a member of its "industrial right-wing" according to the historian Stephen G.
He also composed political biographies of Otto von Bismarck and his father; the latter was praised by G. P. Gooch,[6] Carlton J. H. Hayes[7] and Sidney B.