A Family Genealogy of
the Gentle House of Stapleton
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Siemowit IV PIAST (Duke of Masovia)

BET 1353 AND 1356 - 21 JAN 1425/26

  • TITLE: Duke of Masovia
  • BIRTH: BET 1353 AND 1356
  • DEATH: 21 JAN 1425/26
  • REFERENCE: 69560
Father: Siemowit III PIAST
Mother: Euphemia of PŘEMYSLID

                                                 _Boleslaw II PIAST ______________+
                                                | (1253 - 1313)                   
                           _Trojden PIAST ______|
                          | (1284 - 1340)       |
                          |                     |_Gaudemunda Sophia of MINDAUGAS _+
                          |                       (1260 - 1288)                   
 _Siemowit III PIAST _____|
| (1320 - 1381) m 1335    |
|                         |                      _Yuri I Levanovich RURIK ________+
|                         |                     | (1252 - 1307)                   
|                         |_Maria of RURIK _____|
|                           (1293 - 1340)       |
|                                               |_________________________________
|                                                                                 
|
|--Siemowit IV PIAST 
|  (1353 - 1425)
|                                                _________________________________
|                                               |                                 
|                          _____________________|
|                         |                     |
|                         |                     |_________________________________
|                         |                                                       
|_Euphemia of PŘEMYSLID _|
  (.... - 1352) m 1335    |
                          |                      _________________________________
                          |                     |                                 
                          |_____________________|
                                                |
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