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Siemowit I

Masovian Piasts

Siemowit I

Also known as: Ziemowit I Mazowiecki, Siemowit I of Masovia

Born:
Died:

Titles

Relations

Bibliography

  • Oswald Balzer, Genealogia Piastów, Avalon, Kraków 2005
  • Janusz Grabowski, Poczet książąt i księżnych mazowieckich, Avalon, Kraków 2019