Trojden I | |
|---|---|
 Dukes of Masovia, c. 1450, Trojden I is second from left. | |
| Born | 1284/86 |
| Died | 13 March 1341 |
| Noble family | House of Piast |
| Spouse(s) | Maria of Galicia m. 1309/10 - wid. 1341 |
| Issue | Bolesław (Yuri II) Euphemia Siemowit III Casimir I |
| Father | Bolesław II of Płock |
| Mother | Gaudemantė (Sophia) of Lithuania |
Trojden I (1284/86[1] – 13 March 1341) 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 Gaudemantė (Sophia), the daughter of Grand Duke Traidenis of Lithuania. He was named after his maternal grandfather.
- ^ Jasiński, Kazimierz (1998). Rodowód Piastów mazowieckich. Poznań - Wrocław: Wydawnictwo Historyczne. p. 31. ISBN 83-913563-0-2.