Leszek the White was Prince of Sandomierz and High Duke of Poland in the years 1194–1198, 1199, 1206–1210, and 1211–1227. During the early stages of his reign, his uncle Duke Mieszko III the Old and cousin Władysław III Spindleshanks, from the Greater Polish branch of the royal Piast dynasty, contested Leszek's right to be High Duke.
Leszek the White, as imagined by Jan Matejko
Seal of Leszek Biały (Leszek I, "the White"), Front side.
Seal of Leszek Biały (Leszek I, "the White"), Back side.
The Death of Leszek the White by Jan Matejko (1880)
Mieszko III, sometimes called the Old, was Duke of Greater Poland from 1138 and High Duke of Poland, with interruptions, from 1173 until his death.
Mieszko's seal from 1145
Poland under the sons of Bolesław Wrymouth: Seniorate Province of Władysław II, composed of Eastern Greater Poland, Lesser Poland, Western Kuyavia, Wieluń Land Silesian Province of Władysław II Masovian Province of Bolesław IV composed of Masovia and Eastern Kuyavia Greater Poland Province of Mieszko III composed of Western Great Poland Sandomierz Province of Henry Łęczyca Province of Salomea (Łęczyca Land, Sieradz Land) Pomeranian vassals
Greater Poland under Mieszko III: Poznań, held by Odon 1177–82 Poznań, held by Odon 1177–1194, by Władysław III 1194–1202 Kalisz, conquered in 1181, held by Mieszko the Younger 1191–93, by Odon 1193–94 Gniezno, conquered in 1181 Kuyavia, held by Bolesław 1186–95
