Definition of silesians:
(N) :
(Silesian German: Schläsinger or Schläsier; ; ; ) both an ethnic as well as a geographical term for the inhabitants of Silesia, a historical region in Central Europe divided by the current national boundaries of Poland, Germany, and Czechia.
(N) :
a tribe of West Slavs, specifically of the Lechitic/Polish group, inhabiting territories of Lower Silesia, near Ślęża mountain and Ślęza river, on both banks of the Oder,Wieczorek and Hinz, pg.