The name Piast Dynasty came into existence in the 17th century for a number of rulers, who governed as dukes of Poland and of Silesia. A few, such as Boleslaus I, who in 1024 declared himself king upon the death of Henry I, Holy Roman Emperor, sought to circumvent suzerainty of the empire.
The 17th century list starts out with the legendary forefathers of the first historical ruler Mieszko I.
Siemowit/Ziemowit 9th - 10th century
Lestko/Leszek 9th - 10th century
Siemomysł/Ziemomysł 9th - 10th century
Mieszko I 960-992 First historical ruler
Boleslaus I of Poland /Boleslaw I992-1025
Mieszko II Lambert 1025-1034
Bezprym 1031
Casimir the Restorer / Kazimierz Odnowiciel [1034]]-1058
Boleslaus II / Boleslaw II 1058-1079
Ladislaus Herman of Poland / Wladyslaw Herman 1079-1102
Zbigniew and Boleslaw III the Wrymouthed / Boleslaw Krzywousty 1102-1107
Boleslaus III of Poland, the Wrymouthed 1107-1138
Ladislaus the Exile / Wladyslaw Wygnaniec 1138-1146
Boleslaus the Curly / Boleslaw Krzywy 1146-1173
Mieszko the Old / Mieszko Stary 1173-1177
Casimir the Just / Kazimierz Sprawiedliwy 1177-1194
Leszek the White / Leszek Bialy and Ladislaus Spindleshanks 1194-1202
Ladislaus Spindleshanks 1202
Leszek the White 1202-1210
Mieszko I the Tanglelegs / Platonogi 1210-1211
Leszek the White 1211-1227
Ladislaus Spindleshanks 1228
Konrad of Masovia[?] Konrad Mazowiecki 1229-1232
Henry I the Bearded Henryk I Brodaty 1232-1238
Henry the Pious 1238-1241
Konrad of Masovia[?] 1241-1243
Boleslaus the Bashful / Boleslaw Wstydliwy 1243-1279
Leszek the Black / Leszek Czarny 1279-1288
Henry IV, duke of Breslau Henryk IV Ksiaze Wroclawski 1288-1290
Przemysl II 1290-1291
Ladislaus the Short[?] Wladyslaw Lokietek 1306-1333
Casimir the Great[?] Kaziemierz Wielki
