Nielsen Hayden genealogy
Descendants of Elisabeth von Kalisch
![Female](img/tng_female.gif)
Father: Boleslaw
(1221 - 7 Apr 1279)
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Mother: Helene of Hungary
(Abt 1244 Esztergom, Hungary - 6 Mar 1298 Gniezno, Poland)
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Elisabeth von Kalisch (Between 1261 and 1263 - 28 Sep 1304)
   │    
Pietro II of Aragón, King of Sicily
(1304 - 15 Aug 1342 Calascibetta, Sicily)(m. 23 Apr 1322)
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   └─ Boleslaw III of Silesia
(23 Mar 1291 - 20 Apr 1352 bur.Lubiaz, Lower Silesia, Poland)
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Margareta of Bohemia
(Between Apr 1296 and May 1296 - 7 Apr 1322 bur.Zbraslav, Bohemia)
    (m. Between 1308 and 1310)
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    (m. Between 1308 and 1310)
       ├─ Wenzel I of Silesia
(Between 1310 and 1318 -
       │ 2 Jun 1364 bur.Collegiate Church of the Holy Sepulchre, Legnica, Lower Silesia, Poland)
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       │ 2 Jun 1364 bur.Collegiate Church of the Holy Sepulchre, Legnica, Lower Silesia, Poland)
       │
Anna of Silesia
(Abt 1325 - 1367 bur.Collegiate Church of the Holy Sepulchre, Legnica, Lower Silesia,
       │ Poland)(m. Between 1338 and 1340)
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       │ Poland)(m. Between 1338 and 1340)
       │    └─ Ruprecht of Silesia
(Between 1340 and 1347 - Bef 12 Jan 1409 bur.Legnica, Lower Silesia, Poland) =>
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       │     + Jadwiga of Silesia
(Bef 1350 - 27 Mar 1390 bur.Legnica, Lower Silesia, Poland)(m. Bef 10 Feb 1372)
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       └─ Ludwig I von Schliesen-Liegnitz
(Abt 1311 - Between 6 Dec 1398 and 23 Dec 1398)
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Agnes von Schlesien
(Between 1312 and 1321 - 7 Jul 1362)(m. Bef 1345)
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           └─ Margareta von Schliesen-Brieg
(Aft 1346 - 26 Feb 1386 The Hague, Netherlands) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
            + Albrecht I
(25 Jul 1336 Munich, Bavaria, Germany - 12 Dec 1404 The Hague, Netherlands)
            (m. 28 Jul 1353 Prague, Bohemia)
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            (m. 28 Jul 1353 Prague, Bohemia)