Siemowit I of Masovia (c1213-1262)

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Siemowit I of Masovia
Birth:	1213
Death:	23 June 1262
Father:	Konrad of Poland (c1188-1247)
Mother:	Agafia of Rus (c1192-c1248)
Titles:	Duke of Masovia Duke of Czersk Duke of Sieradz
Spouse / partner:	Pereyaslava Daniilovna of Halych (c1231-1283)
Wedding:	1248
Sex:
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Articles English: Siemowit I of Masovia

Siemowit I Piast of Masovia, Duke of Masovia, Duke of Czersk, Duke of Sieradz, was born circa 1213 to Konrad of Poland (c1188-1247) and Agafia of Rus (c1192-c1248) and died 23 June 1262 of unspecified causes. He married Pereyaslava Daniilovna of Halych (c1231-1283) 1248 ^JL .

Children

Offspring of Siemowit I of Masovia and Pereyaslava Daniilovna of Halych (c1231-1283)
Name	Birth	Death	Joined with
Konrad II of Masovia (c1249-1294)	1249	1294 Czerwińsk	Hedwig of Poland (c1252-aft1280)
Boleslaus II of Masovia (c1251-1313)	1251	20 April 1313	Sophia of Lithuania Kunigunde of Bohemia (1265-1321)
Salomea of Masovia (?-1301)