Wenceslaus of Płock, was a Polish prince member of the House of Piast, Duke of Płock from 1313 and vassal of Bohemia from 1329.
He was the third son of Bolesław II of Płock but the only born from his second marriage with Kunigunde, daughter of... Wikipedia
Born: 1293
Died: May 23, 1336 (age 43 years), Wyszogród, Poland
Grandchildren: Hedwig of Sagan, Henry VIII the Sparrow, Henry VI the Elder, and more
Grandparents: Siemowit I of Masovia, Pereyaslava, Ottokar II of Bohemia, and more
Great grandchildren: Anna of Poland, Countess of Celje, Hedwig von Polen, Henryk IX Starszy, and more
Children: Bolesław III of Płock and Anna of Plock
Parents: Bolesław II of Masovia and Kunigunde of Bohemia