Family: Siemowit III, Duke of Masovia / Euohemia (Eufemia) (F6440)

• Male Siemowit III, Duke of Masovia

  
  

  Birth	c .?1320
  Death	1381
  Burial
  Marriage	1335
  Other Spouse	Ludmila | F6446
  Marriage
  Father	Trojden, Duke of Masovia | F6422 Group Sheet
  Mother	Maria Yurevna | F6422 Group Sheet

  
  

  Female Euohemia (Eufemia)

  
  

  Birth
  Death	1352
  Burial
  Father	Nicholas II, Duke of Opava | F551619021 Group Sheet
  Mother	Anna | F551619021 Group Sheet

  
  

  Female Eufemia

  
  

  Birth
  Death	Aft 1418
  Burial

  
  

  Female Anna

  
  

  Birth
  Death	Aft 1403
  Burial

  
  

  Male Janusz I

  
  

  Birth
  Death	1429
  Burial
  Spouse	Danute Kestutaite | F6441
  Marriage

  
  

  Female Malgorzata of Mazovia

  
  

  Birth
  Death	1409
  Burial
  Spouse	Casimir IV, Duke of Pomerania | F6447
  Marriage

  
  

  Male Siemowit IV

  
  

  Birth
  Death	1426
  Burial
  Spouse	Aleksandra Algirdaite | F6448
  Marriage	1387