Person:Siemowit I of Masovia (1)

Siemowit I of Masovia
b.Est 1215
d.23 Jun 1262
  1. Boleslaus I of Masovia1208 - 1248
  2. Casimir I of KuyaviaAbt 1211 - 1267
  3. Siemowit I of MasoviaEst 1215 - 1262
  4. Judith _____, Duchess of Wrocław1222 - 1257
m. Est 1248
  1. Konrad II of Masovia1250 - 1294
  2. Boleslaus II of MasoviaEst 1251 - 1313
Facts and Events
Name Siemowit I of Masovia
Gender Male
Birth[1] Est 1215
Marriage Est 1248 to Pereyaslava of Galicia
Death[1] 23 Jun 1262
Reference Number? Q2701734?

the text in this section is copied from an article in Wikipedia

Siemowit I of Masovia (c. 1224/28 – 23 June 1262), was a Polish prince member of the House of Piast, Duke of Czersk during 1247-1248, Duke of Masovia (except Dobrzyń) during 1248-1262, ruler over Sieradz during 1259-1260.

He was the sixth son of Konrad I of Masovia and his wife Agafia of Rus. He was named after his older brother Siemowit, who died young in 1224.[1]

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  1. 1.0 1.1 Siemowit I of Masovia, in Wikipedia: The Free Encyclopedia.