Siemowit III, Duke of Masovia
Siemowit III of Masovia was a prince of Masovia and a co-regent of the lands of Warsaw, Czersk, Rawa, Gostynin and other parts of Masovia.
From *.wikipedia.org,
General Info
.
Male
Date of Birth
January 1st, 1314
Age
712
Date of Death
June 16th, 1381
Died Aged
67
Star Sign
Capricorn
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Relatives
Siemowit IV
Son
Eufemia of Masovia
Sister
Trojden I, Duke of Masovia
Father
Maria of Galicia
Mother
Janusz I of Warsaw
Son
Euphemia of Masovia
Daughter
Bolesław Jerzy of Mazovia
Brother
Casimir of Masovia
Brother
Euphemia, Herzogin von Masovia
Daughter
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Son
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