Wends were soon a part of the Frankish/German? Holy Roman Empire. Wends or Lausitzer Sorben are still living in Lusatia? today.
Other Wends, the Cassubians-Kashubians/Kassubians? settled between Kolberg and Stolp? in Pomerania. Some spread to West Prussia , west of Danzig. Many had to flee or were expelled when the communists took over the German Prussian lands betwenn 1945-49. Some were able to remain in their homeland, but were forced to become Polish.
In Lusatia they keep up the Wendish language and schools, besides learning the German language.