Nielsen Hayden genealogy
Ancestors of Wenzel I of Silesia
1318 - 1364 (~ 54 years) ┌── Henryk I of Silesia (Between 1167 and 1174 - 19 Mar 1238)(m. Abt 1186) =>
┌── Henryk II of Silesia (Between 1196 and 1204 - 9 Apr 1241 Legnica, Lower Silesia, Poland)
│ (m. Between 1214 and 1218)
│ └── St. Hedwig von Meran (Between 1176 and 1180 - 13 Oct 1243)(m. Abt 1186) =>
│
┌── Boleslaw II of Silesia (Between 1220 and 1225 - Abt 26 Dec 1278)
│ (m. Between 8 May 1242 and 18 Oct 1242)
│ │
│ │ ┌── Przemysl Ottokar I, King of Bohemia (Abt 1155 - 15 Dec 1230)(m. Abt 1198) =>
│ └── Anna of Bohemia (Between 1201 and 1204 Prague, Bohemia - 23 Jun 1265)
│ (m. Between 1214 and 1218)
│ └── Constance of Hungary ( - 4 Dec 1240)(m. Abt 1198) =>
│
┌── Heinrich V of Silesia (Between 1245 and 1250 - 22 Feb 1296)(m. Between 1277 and 1279)
│ │
│ │ ┌── Bernhard III of Saxony (1140 - 9 Feb 1212) =>
│ │ ┌── Heinrich I von Anhalt (Abt 1170 - Between 1251 and 1252)(m. Abt 1211)
│ │ │ └── Judith of Poland (Abt 1152 - Aft 1201) =>
│ │ │
│ └── Hedwig von Anhalt ( - 21 Dec 1259)(m. Between 8 May 1242 and 18 Oct 1242)
│ │
│ │ ┌── Hermann I of Thuringia (Abt 1154 - 25 Apr 1217) =>
│ └── Irmgard von Thüringen (Abt 1197 - Abt 1244)(m. Abt 1211)
│ └── Sophie of Bavaria (Abt 1172 - 15 Jul 1238) =>
│
┌── Boleslaw III of Silesia (23 Mar 1291 - 20 Apr 1352 bur.Lubiaz, Lower Silesia, Poland)
│ (m. Between 1308 and 1310)
│ │
│ │ ┌── Wladislaw Odonicz (Abt 1190 - 5 Jun 1239)(m. Between 1218 and 1220)
│ │ │ └── Wjatscheslawa Jaroslawna of Halicz ( - Aft 1200)(m. Aft 1184) =>
│ │ │
│ │ ┌── Boleslaw (1221 - 7 Apr 1279)(m. 1257)
│ │ │ └── Jadwiga ( - 29 Dec 1249)(m. Between 1218 and 1220)
│ │ │
│ └── Elisabeth von Kalisch (Between 1261 and 1263 - 28 Sep 1304)(m. Between 1277 and 1279)
│ │
│ │ ┌── András II, King of Hungary (1176 - 21 Sep 1235)(m. Bef 1203) =>
│ │ ┌── Béla IV, King of Hungary (1206 - 3 May 1270)(m. Abt 1218)
│ │ │ └── Gertrud von Meran (Abt 1185 - 28 Sep 1213)(m. Bef 1203) =>
│ │ │
│ └── Helene of Hungary (Abt 1244 Esztergom, Hungary - 6 Mar 1298 Gniezno, Poland)(m. 1257)
│ │
│ │ ┌── Theodoros I Komnenos Laskaris, Emperor in Nicea (Abt 1175 - Aug 1222)(m. 1199) =>
│ └── Maria Laskarina (Abt 1206 of Nicea, Anatolia - 1270)(m. Abt 1218)
│ └── Anna Komnena Angelina (Abt 1174 - 1212)(m. 1199) =>
│
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)
│
│ ┌── Przemysl Ottokar I, King of Bohemia (Abt 1155 - 15 Dec 1230)(m. Abt 1198) =>
│ ┌── Wenceslas I, King of Bohemia (1205 - 22 Sep 1253)(m. 1224)
│ │ └── Constance of Hungary ( - 4 Dec 1240)(m. Abt 1198) =>
│ │
│ ┌── Przemysl Ottokar II, King of Bohemia (Abt 1230 - 26 Aug 1278)
│ │ (m. 25 Oct 1261 Bratislava, Slovakia)
│ │ │
│ │ │ ┌── Philip II, King of Germany (1177 - 21 Jun 1208 Bamberg, Bayern, Germany)
│ │ │ │ (m. 25 May 1197) =>
│ │ └── Kunigunde von Hohenstaufen (Between Jan 1202 and Mar 1202 -
│ │ 13 Sep 1248 bur.St. Veit, Prague, Bohemia)(m. 1224)
│ │ 13 Sep 1248 bur.St. Veit, Prague, Bohemia)(m. 1224)
│ │ └── Irene Angelina (Abt 1181 Constantinople -
│ │ 27 Aug 1208 Hohenstaufen Castle, Bavaria)(m. 25 May 1197) =>
│ │ 27 Aug 1208 Hohenstaufen Castle, Bavaria)(m. 25 May 1197) =>
│ │
│ ┌── Wenceslas II, King of Bohemia (17 Sep 1271 - 21 Jun 1305 Prague, Bohemia)
│ │ (m. 24 Jan 1285 Eger, Heves, Hungary)
│ │ │
│ │ │ ┌── St. Michael of Chernigov, Grand Prince of Kiev (Abt 1185 - 20 Sep 1246) =>
│ │ │ ┌── Rosztiszlo, King of Bulgaria; Grand Duke of Kiev (Between 1212 and 1225 - Abt 1264)
│ │ │ │ (m. 1244)
│ │ │ │ └── Marija Romanowna of Halicz ( - Aft 1241) =>
│ │ │ │
│ │ └── Kunhata of Slavonia and Machva (Abt 1245 - 9 Sep 1285)(m. 25 Oct 1261 Bratislava, Slovakia)
│ │ │
│ │ │ ┌── Béla IV, King of Hungary (1206 - 3 May 1270)(m. Abt 1218) =>
│ │ └── Anna of Hungary (Abt 1226 - ??)(m. 1244)
│ │ └── Maria Laskarina (Abt 1206 of Nicea, Anatolia - 1270)(m. Abt 1218) =>
│ │
└── Margareta of Bohemia (Between Apr 1296 and May 1296 - 7 Apr 1322 bur.Zbraslav, Bohemia)
(m. Between 1308 and 1310)
│
│ ┌── Rudolf II von Habsburg (Abt 1167 - Bef 10 Apr 1232) =>
│ ┌── Albrecht IV von Habsburg (Abt 1188 - 22 Nov 1240 near Ascalon, Palestine)(m. 1217)
│ │ └── Agnes ( - Bef 10 Mar 1232)
│ │
│ ┌── Rudolf IV von Habsburg (1 May 1218 - 15 Jul 1291)(m. 1245)
│ │ │
│ │ └── Heilwig von Kyburg ( - 30 Apr 1260)(m. 1217)
│ │ └── Anna von Zähringen =>
│ │
└── Guta von Habsburg (13 Mar 1271 - 18 Jun 1297 Prague, Bohemia)(m. 24 Jan 1285 Eger, Heves, Hungary)
│
│ ┌── Burchard IV von Zollern ( - Bef 1225) =>
│ ┌── Burchard V von Hohenberg ( - 14 Jul 1253)
└── Gertrude von Hohenberg (1225 - 16 Feb 1281)(m. 1245)
│
│ ┌── Rudolf II von Tübingen (Abt 1182 - Aft 13 May 1248) =>