Namesakes for Leszek

Olympic Medalists: 1 silver
      (silver) Leszek Dunecki   1980   4x100 m relay  
Polish High Dukes and Kings: 2 dukes
      Duke Leszek I the White   1194-1198; 1199-1202; 1206-1210; 1211-1227  
      Duke Leszek II the Black   1279-1288