Trojden I, Duke of Masovia

Trojden I
Dukes of Masovia, c. 1450, Trojden I is second from left.
Born1284/86
Died(1341-03-13)13 March 1341
Noble familyHouse of Piast
Spouse(s)Maria of Galicia
m. 1309/10 - wid. 1341
IssueBolesław (Yuri II)
Euphemia
Siemowit III
Casimir I
FatherBolesław II of Płock
MotherGaudemantė (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.

  1. ^ Jasiński, Kazimierz (1998). Rodowód Piastów mazowieckich. Poznań - Wrocław: Wydawnictwo Historyczne. p. 31. ISBN 83-913563-0-2.