The original surname of Lutz Graf Schwerin von Krosigk was Schwerin. He came from an old aristocratic family in Mecklenburg. In 1867 he changed his name to von Krosigk after inheriting the estate of Krosigk in Saxony-Anhalt. The estate had belonged to his maternal grandfather.
Unveiling History: The Crossroads of Power and Politics through the Life of Lutz Graf Schwerin von Krosigk