Family: Siemowit Piast, III / Eufemia Přemyslovna (F7428)
m. Abt 1336
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Male
+ Siemowit Piast of Masovia, IV
Birth Abt 1353 Death 21 Jan 1426 Poland Burial Jan 1426 Poland Spouse Aleksandra Olgierdówna Giedyminowicz von Litauen | F8667 Marriage 1387 Vilnius, Vilniaus Apskritis, Lithuania