Gaudemunda Sophia of Lithuania (also Gaudimantė; c. 1260 – 1288 or 1313) was the daughter of

Traidenis Traidenis ( pl, Trojden, be, Трайдзень) (died 1282) was the Grand Duke of Lithuania from 1270 (or 1269) until 1282. He is the second most prominent, after Mindaugas, Grand Duke of Lithuania in the 13th century. His reign ended a seven-y ...

Grand Duke of Lithuania The monarchy of Lithuania concerned the monarchical head of state of Kingdom of Lithuania, Lithuania, which was established as an Absolute monarchy, absolute and hereditary monarchy. Throughout Lithuania's history there were three Duke, ducal D ...

(c. 1270–1282). In 1279 she married

Duke of Masovia Duke of Masovia ( pl, Książę Mazowsza) was a title born by the sons and descendants of the Polish Duke Bolesław III Wrymouth. In accordance with the last will and testament of Bolesław, upon his death his lands were divided into four to five ...

Bolesław II (c. 1254–1313) of the Piast dynasty. He was the son of Ziemowit I, Prince of Masovia, and Pereyaslava, daughter of

Daniel of Galicia Daniel of Galicia ( uk, Данило Романович (Галицький), Danylo Romanovych (Halytskyi); Old Ruthenian: Данило Романовичъ, ''Danylo Romanovyčъ''; pl, Daniel I Romanowicz Halicki; 1201 – 1264) was a King ...

of the

Rurik dynasty The Rurik dynasty ( be, Ру́рыкавічы, Rúrykavichy; russian: Рю́риковичи, Ryúrikovichi, ; uk, Рю́риковичі, Riúrykovychi, ; literally "sons/scions of Rurik"), also known as the Rurikid dynasty or Rurikids, was ...

. Her husband united the

Duchy of Masovia Duchy of Masovia was a district principality and a fiefdom of the Kingdom of Poland, existing during the Middle Ages. The state was centered in Mazovia in the northeastern Kingdom of Poland, and during its existence, its capital was located i ...

and then divided it between their sons, who were: * Siemowit II **Received the Duchy of Rawa * Trojden I (named after Gaudemunda's father, Traidenis, c. 1285 – 13 March 1341) **Received the Duchy of Czersk and Warsaw **Married his cousin Maria, daughter of

George I of Halych Yuri I of Galicia ( ua, Ю́рій Льво́вич, translit=Yurii Lvovych, 24 April 1252 (1257?) – 18 March 1308) was a King of Ruthenia, Prince of Volhynia (Latin: Regis Rusie, Princeps Ladimerie). His full title was Yuri I, King of Ruthenia ...

**Great-grandfather of Cymburgis of Masovia *Wenceslaus of Płock, Wenceslaus (from his second marriage to Kunigunde of Bohemia) **Received the Duchy of Płock

References

* 1260s births 1288 deaths 13th-century Lithuanian nobility 13th-century Lithuanian women {{Lithuania-noble-stub