Nielsen Hayden genealogy
Descendants of Ludwig I of Thuringia
Abt 1090 - 1140 (~ 50 years)Father: Ludwig of Thuringia (Abt 1042 - Abt 6 May 1123)
Mother: Adelheid von Stade (Abt 1065 - 18 Oct 1110)
Ludwig I of Thuringia (Abt 1090 - 12 Jan 1140)
Hedwig von Gudensberg ( - 1148)
   ├─ Jutta of Thuringia
   │ Wladislaw II, King of Bohemia (Abt 1110 - 18 Jan 1175)(m. 1153)
   │    └─ Przemysl Ottokar I, King of Bohemia (Abt 1155 - 15 Dec 1230)
   │     + Adelheid von Meissen (Abt 1160 - 1 Feb 1211)(m. Abt 1180)
   │     Constance of Hungary ( - 4 Dec 1240)(m. Abt 1198)
   │        ├─ Anna of Bohemia (Between 1201 and 1204 Prague, Bohemia - 23 Jun 1265) =>
   │        │ + Henryk II of Silesia (Between 1196 and 1204 - 9 Apr 1241 Legnica, Lower Silesia, Poland)
   │        │ (m. Between 1214 and 1218)
   │        │ (m. Between 1214 and 1218)
   │        └─ Wenceslas I, King of Bohemia (1205 - 22 Sep 1253) =>
   │         + 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)
   └─ Ludwig II of Thuringia (Abt 1128 - 14 Oct 1172)
    Jutta of Swabia (Abt 1133 - 7 Jul 1191)
       ├─ Jutta of Thuringia
       │ Hermann (Abt 1150 - 22 Apr 1221)
       │     + Adelheid von Dassel ( - 14 Sep 1263)
       ├─ Hermann I of Thuringia (Abt 1154 - 25 Apr 1217)
       │ Sophie of Bavaria (Abt 1172 - 15 Jul 1238)
       │ :   │ + Heinrich I von Anhalt (Abt 1170 - Between 1251 and 1252)(m. Abt 1211)
       │ :   ├─ Ludwig II (28 Oct 1200 - 11 Sep 1227 Otranto, Apulia, Italy) =>
       │ :   │ + St. Elisabeth of Hungary (1207 - 19 Nov 1231)(m. 1220 Wartburg, Eisenach, Thuringia, Germany)
       │ :    + Albrecht I of Saxony (Abt 1180 - 8 Nov 1261)
       │ :    + Heinrich of Austria (1208 - 3 Jan 1228)(m. 29 Nov 1225)
       │ Sophie von Sommerschenburg ( - 1189)(m. Abt 1182)
       │     + Dietrich IV von Meissen (11 Mar 1162 - 2 Feb 1221)(m. 1194)
       │     + Poppo VII von Henneberg ( - 21 Mar 1245)(m. 3 Jan 1223 Leipzig, Saxony, Germany)
       └─ Friedrich of Thuringia (Abt 1156 - 1229)
        Liutgard von Ziegenhain ( - Aft 1207)(m. Bef 1186)
            + Friedrich II von Wettin (Abt 1165 - 16 Oct 1221 Acre, Palestine)(m. 1181)