Bassewitz

Among the first estates owned by the family since the late Middle Ages and considered by it to be ancestral houses (Stammhaus) are Basse, Dalwitz, Hohen Luckow, Prebberede, Levetzow and Lühburg.

It is believed that both branches divided in the 14th century and that their common progenitor is Hans von Bassewitz on Hohenluckow manor († 1397).

All current male members of the Wendish branch are descendants of Count Henning Friedrich von Bassewitz (1680–1749), who was awarded with a hereditary Holy Roman imperial countship (Reichsgraf) in 1726 by Emperor Karl VI for his diplomatic services.

Hereditary Holy Roman imperial countship granted to Henning Friedrich von Bassewitz in Vienna on 9 June 1726; incorporation into the Estonian Noble Corporation as of 29 January 1725.

Bassewitz-Levetzow is a Prussian sub-branch of the comital branch originating from a unification of coat of arms and name with the Levetzow family and linked to the fideicommissum of Kläden manor; granted to Count Karl von Bassewitz in Baden-Baden on 2 October 1869; incorporation into Prussian nobility granted in Berlin on 7 November 1884 to his son and heir, Count Bernhard von Bassewitz.