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Seimowit I of Mazovia

Male - 1262

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Generation: 1

  1. 1.  Seimowit I of Mazovia died in 1262.

    Family/Spouse: Pereiaslava of Galich. Pereiaslava (daughter of Daniil of Galich-Volyn') died in 1283. [Group Sheet] [Family Chart]

    Children:
    1. 2. Boleslaw II  Descendancy chart to this point died in 1313.


Generation: 2

  1. 2.  Boleslaw II Descendancy chart to this point (1.Seimowit1) died in 1313.

    Family/Spouse: Gaudemante-Sofia Traidenyte. Gaudemante-Sofia died in 1288. [Group Sheet] [Family Chart]

    Children:
    1. 3. Trojden, Duke of Masovia  Descendancy chart to this point was born between 1284 and 1288; died on 13 Mar 1341.
    2. 4. Siemowit II  Descendancy chart to this point died in 1343.

    Family/Spouse: Kunegunda. Kunegunda (daughter of Premysl Ottokar II the Great, King of Bohemia and Kunegunda of Chernigov) died in 1321. [Group Sheet] [Family Chart]

    Children:
    1. 5. Eufrozyna  Descendancy chart to this point and died.
    2. 6. Waclaw of Poland  Descendancy chart to this point died in 1336.
    3. 7. Berta  Descendancy chart to this point died after 1341.


Generation: 3

  1. 3.  Trojden, Duke of Masovia Descendancy chart to this point (2.Boleslaw2, 1.Seimowit1) was born between 1284 and 1288; died on 13 Mar 1341.

    Family/Spouse: Maria Yurevna. Maria (daughter of Yury I Danilovichi) died in 1341. [Group Sheet] [Family Chart]

    Children:
    1. 8. Boleslaw Yury II  Descendancy chart to this point died in 1340.
    2. 9. Eufemia  Descendancy chart to this point died after 1364.
    3. 10. Siemowit III, Duke of Masovia  Descendancy chart to this point was born in c .?1320; died in 1381.
    4. 11. Casimir I  Descendancy chart to this point died in 1355.

  2. 4.  Siemowit II Descendancy chart to this point (2.Boleslaw2, 1.Seimowit1) died in 1343.

    Family/Spouse: Unknown. [Group Sheet] [Family Chart]

    Children:
    1. 12. Siemowit  Descendancy chart to this point died in 1345.

  3. 5.  Eufrozyna Descendancy chart to this point (2.Boleslaw2, 1.Seimowit1) and died.

  4. 6.  Waclaw of Poland Descendancy chart to this point (2.Boleslaw2, 1.Seimowit1) died in 1336.

    Family/Spouse: Elzbieta Gediminaite. Elzbieta (daughter of Gediminas of Lithuania, Duke of Lithuania and Jewna) died in 1364. [Group Sheet] [Family Chart]

    Children:
    1. 13. Boleslaw III of Plock  Descendancy chart to this point died in 1351.
    2. 14. Anna of Plock  Descendancy chart to this point and died.

  5. 7.  Berta Descendancy chart to this point (2.Boleslaw2, 1.Seimowit1) died after 1341.


Generation: 4

  1. 8.  Boleslaw Yury II Descendancy chart to this point (3.Trojden3, 2.Boleslaw2, 1.Seimowit1) died in 1340.

  2. 9.  Eufemia Descendancy chart to this point (3.Trojden3, 2.Boleslaw2, 1.Seimowit1) died after 1364.

  3. 10.  Siemowit III, Duke of Masovia Descendancy chart to this point (3.Trojden3, 2.Boleslaw2, 1.Seimowit1) was born in c .?1320; died in 1381.

    Siemowit married Euohemia (Eufemia) in 1335. Euohemia (daughter of Nicholas II, Duke of Opava and Anna) died in 1352. [Group Sheet] [Family Chart]

    Children:
    1. 15. Eufemia  Descendancy chart to this point died after 1418.
    2. 16. Anna  Descendancy chart to this point died after 1403.
    3. 17. Janusz I  Descendancy chart to this point died in 1429.
    4. 18. Malgorzata of Mazovia  Descendancy chart to this point died in 1409.
    5. 19. Siemowit IV  Descendancy chart to this point died in 1426.

    Family/Spouse: Ludmila. Ludmila and died. [Group Sheet] [Family Chart]

    Children:
    1. 20. Two Sons  Descendancy chart to this point and died.
    2. 21. Henryk  Descendancy chart to this point died in 1392.

  4. 11.  Casimir I Descendancy chart to this point (3.Trojden3, 2.Boleslaw2, 1.Seimowit1) died in 1355.

  5. 12.  Siemowit Descendancy chart to this point (4.Siemowit3, 2.Boleslaw2, 1.Seimowit1) died in 1345.

  6. 13.  Boleslaw III of Plock Descendancy chart to this point (6.Waclaw3, 2.Boleslaw2, 1.Seimowit1) died in 1351.

  7. 14.  Anna of Plock Descendancy chart to this point (6.Waclaw3, 2.Boleslaw2, 1.Seimowit1) and died.

    Family/Spouse: Henry V of Zagan. Henry died in 1369. [Group Sheet] [Family Chart]

    Children:
    1. 22. Jadwiga  Descendancy chart to this point died in 1390.
    2. 23. One Daughter Three Sons  Descendancy chart to this point and died.



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