Nielsen Hayden genealogy

Family: Siemowit I of Masovia / Pereslajawa Danilovna of Halicz (F17326)

• Male Siemowit I of Masovia

  
  

  Birth	Abt 1228
  Death	23 Jun 1262
  Burial
  Marriage	Abt 1248  [1]
  Father	Konrad I of Masovia | F17327 Group Sheet
  Mother	Agafia Svjatoslava of Novgorod | F17327 Group Sheet

  
  

  Female Pereslajawa Danilovna of Halicz

  
  

  Birth
  Death	12 Apr 1283
  Burial
  Father	Daniil Romanovich, King of Ruthenia | F8216 Group Sheet
  Mother	Anna Mstislawna of Novgorod | F8216 Group Sheet

  
  

  Male + Boleslaw II of Masovia

  
  

  Birth	Abt 1251
  Death	20 Apr 1313
  Burial
  Spouse	Gaudimanté of Lithuania | F17325
  Marriage	1279
  Spouse	Kunigunde of Bohemia | F17421
  Marriage	1291

  
  

• Sources

  [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.