Nielsen Hayden genealogy
Descendants of Helene of Hungary
Abt 1244 - 1298 (~ 54 years)Father: Béla IV, King of Hungary (1206 - 3 May 1270)
Mother: Maria Laskarina (Abt 1206 of Nicea, Anatolia - 1270)
Helene of Hungary (Abt 1244 Esztergom, Hungary - 6 Mar 1298 Gniezno, Poland)
Boleslaw (1221 - 7 Apr 1279)(m. 1257)
   └─ Elisabeth von Kalisch (Between 1261 and 1263 - 28 Sep 1304)
    Heinrich V of Silesia (Between 1245 and 1250 - 22 Feb 1296)(m. Between 1277 and 1279)
       ├─ Euphemia of Silesia and Breslau (Between 1278 and 1283 - 4 Apr 1347)
       │ Otto II of Carinthia (Abt 1265 - 25 May 1310)(m. 1297)
       │     + Pietro II of Aragón, King of Sicily (1304 - 15 Aug 1342 Calascibetta, Sicily)(m. 23 Apr 1322)
       └─ Boleslaw III of Silesia (23 Mar 1291 - 20 Apr 1352 bur.Lubiaz, Lower Silesia, Poland)
        Margareta of Bohemia (Between Apr 1296 and May 1296 - 7 Apr 1322 bur.Zbraslav, Bohemia)
        (m. Between 1308 and 1310)
        (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) =>
           │ 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)
           │ Silesia, Poland)(m. Between 1338 and 1340)
           └─ Ludwig I von Schliesen-Liegnitz (Abt 1311 - Between 6 Dec 1398 and 23 Dec 1398) =>
            + Agnes von Schlesien (Between 1312 and 1321 - 7 Jul 1362)(m. Bef 1345)