Trojden I, Duke of Masovia
Member of the Piast dynasty
Trojden I was a Polish prince, Duke of Czersk from 1310, ruler over Warsaw and Liw from 1313, and regent of Płock in the years 1336–1340. He was a member of the House of Piast.
Trojden was the second son of Bolesław II of Płock and his first wife... Wikipedia
Born: 1284
Died: March 13, 1341 (age 57 years), Warka, Poland
Children: Siemowit III, Duke of Masovia, Casimir I of Warsaw, Eufemia of Masovia, and more
Parents: Bolesław II of Masovia and Gaudemunda of Lithuania
Grandchildren: Siemowit IV, Duke of Masovia, Janusz I the Old, Przemyslaus I Noszak, Duke of Cieszyn, and more
Partner: Maria of Galicia