Maria Yuryevna of Halych (c1292-1341) (Мария Юрьевна Галицкая) was born circa 1292 to Yuri I Lvovich of Halych (c1255-1308) and Euphemia of Kuyavia (c1266-1308) and died 11 January 1341 of unspecified causes. She married Trojden I of Masovia (c1285-1341) 1310 JL . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Rollo of Normandy (860-932)/s.
Maria Yuryevna of Halych (c1292-11 January 1341) was a princess of Halych-Volhynia and a member of the Rurik Dynasty. She was sister to Lev and Andrei Yuryevich of Halych, daughter of Yuri I Lvovich of Halych and his second wife, Euphemia of Kuyavia. Her grandfather, Lev Daniilovich had been king of Halych (1269-1301) and had moved his capital from Halych to the newly founded city of Lvov (Lwow, Lemberg). She assisted her son king Boleslaus George II of Halych in ruling Galicia.
In 1323 her brothers Andrei and Lev were killed, and she and her niece, Eufemia, Heiress of Volynia-Lutsk, inherited the lands. , and was married to Boleslaus George II of Halych (d. 1341). She was the daughter of Yuri I and Euphemia of Kuyavia, who was the daughter of Casimir I of Kuyavia. Before 1310, she married Duke Trojden I of Masovia with whom she had four children:
Euphemia (1310-after 1373) married Casimir I, Duke of Cieszyn and had issue Boleslaw-Yuri II of Galicia (1308 - April 7, 1340), became King of Halych-Volhynia Siemowit III of Masovia (before 1314-16 June 1381), became Duke of Masovia Casimir (1314-26 November 1355), Prince of Ciechanów and Warsaw
Children Yuri II Boleslav , Zemovit III , Eufemia of Masovia [d] and Casimir I of Warsaw Maria Yuryevna Galitsky (? - January 11, 1341 ) - Princess Galitsko- Lvov , Princess Cherskaya of the Rurik dynasty .
In 1310 she married the Prince of Trojden I of Masovia, in marriage with whom she had four children:
- Boleslaw-Yuri II of Galicia (1308-1340) (1308 - April 7, 1340), Prince of Galicia,
- Siemowit III of Masovia (c1312-1381) (about 1320 - June 16, 1381), Prince Warsaw (1341-1349, 1355-1373/1374), Cherskogo (1341-1373/1374),
Rawski ( 1345 - 1381 ), Płock ( 1370 - 1381 ) and viznenskogo (1370-1381)
- Casimir of Warsaw (c1325--26 November 1355), Prince Cherskogo (1341-1349), Warsaw (1341-1355) Rawski (1345-1349).
- Euphemia of Masovia (1310-c1374), married to Prince Casimir I Tseshinsky .
|Offspring of Maria Yuryevna of Halych (c1292-1341) (Мария Юрьевна Галицкая) and Trojden I of Masovia (c1285-1341)|
|Euphemia of Masovia (1310-c1374)||1310||1373||Casimir I of Cieszyn (c1285-1358)|
|Boleslaw-Yuri II of Halych (1308-1340)||1308||7 April 1341||Eufemija of Lithuania (1316-1342)|
|Siemowit III of Masovia (c1320-1381)||1320||16 June 1381||Euphemia of Troppau (c1320-1352) Euphemia of Troppau (c1320-1352) Anna of Ziębice|
|Casimir of Warsaw (c1325-1355)||1325||25 November 1355|