Leszek the White was Prince of Sandomierz and High Duke of Poland in the years 1194–1198, 1199, 1206–1210, and 1211–1227. Wikipedia
Born: 1186
Parents: Casimir II the Just and Helena of Znojmo
Children: Bolesław V the Chaste and Salomea of Poland
Assassinated: November 24, 1227, Marcinkowo Górne, Poland
Spouse: Grzymisława of Łuck (m. 1207–1227)
Grandparents: Bolesław III Wrymouth, Salomea of Berg, Marija of Rascia, and more