Nielsen Hayden genealogy
Descendants of Bernhard III of Saxony
1140 - 1212 (72 years)Father: Albrecht of Saxony (1100 - 18 Nov 1170)
Mother: Sophia von Winzenburg ( - 8 Jun 1160)
Bernhard III of Saxony (1140 - 9 Feb 1212)
Judith of Poland (Abt 1152 - Aft 1201)
   ├─ Heinrich I von Anhalt (Abt 1170 - Between 1251 and 1252)
   │ Irmgard von Thüringen (Abt 1197 - Abt 1244)(m. Abt 1211)
   │    ├─ Hedwig von Anhalt ( - 21 Dec 1259)
   │    │ Boleslaw II of Silesia (Between 1220 and 1225 - Abt 26 Dec 1278)(m. Between 8 May 1242 and 18 Oct 1242)
   │    │    ├─ Agnes von Schliesen-Liegnitz (Between 1243 and 1250 -
   │    │    │ 13 Mar 1265 bur.Stiftskirche (Collegiate Church), Stuttgart, Baden-Württemberg, Germany) =>
   │    │    │ 13 Mar 1265 bur.Stiftskirche (Collegiate Church), Stuttgart, Baden-Württemberg, Germany) =>
   │    │    │ + Ulrich I von Württemberg (Abt 1220 - 25 Feb 1265 bur.Stiftskirche (Collegiate Church), Stuttgart,
   │    │    │ Baden-Württemberg, Germany)(m. Between 1260 and 1264)
   │    │    │ Baden-Württemberg, Germany)(m. Between 1260 and 1264)
   │    │    ├─ Heinrich V of Silesia (Between 1245 and 1250 - 22 Feb 1296) =>
   │    │    │ + Elisabeth von Kalisch (Between 1261 and 1263 - 28 Sep 1304)(m. Between 1277 and 1279)
   │    │    └─ Bolko I of Silesia (Between 1252 and 1256 - 9 Nov 1301) =>
   │    │     + Beatrix of Brandenburg ( - Bef 26 Apr 1316)(m. 4 Oct 1281)
   │    ├─ Jutta von Anhalt ( - Aft 14 May 1277)
   │    │ Nikolaus I of Werle (Abt 1213 - 10 May 1277)(m. Oct 1231)
   │    │    │ + Richeza Birgersdotter ( - Bef 13 Dec 1288)(m. 1262)
   │    │     + Sofie von Lindau-Ruppin ( - Between 18 Jan 1301 and 9 Jun 1304)
   │    ├─ Bernhard I of Anhalt (Abt 1220 - Between 1286 and 1287)
   │    │ Sophie Abelsdatter of Denmark & S¢nderjylland (Abt 1240 - Aft 1284)
   │    │    │ + Helene of Rügen ( - 9 Aug 1315 bur.Wiederstedt Cloister, Saxony-Anhalt, Germany)
   │    │    │ (m. Bef 27 Dec 1302)
   │    │    │ (m. Bef 27 Dec 1302)
   │    │     + Dietrich II of Honstein ( - Between 28 May 1309 and 11 Aug 1309)(m. Bef 28 Nov 1282)
   │    └─ Siegfried I of Anhalt (Abt 1230 - Aft 25 Mar 1298)
   │     Katarina of Sweden (1245 - ??)(m. Bef 17 Oct 1259)
   │        └─ Albrecht I of Anhalt ( - Between 17 Aug 1316 and 2 Mar 1317) =>
   │         + Agnes of Brandenburg ( - 4 Jun 1330 bur.St. Nikolai, Zerbst, Saxony-Anhalt, Germany)(m. 1300)
   └─ Albrecht I of Saxony (Abt 1180 - 8 Nov 1261)
    Agnes von Thüringen (Abt 1206 - Bef 1247)
    :   └─ Jutta of Saxony ( - 23 Dec 1287)
    :    Johann I of Brandenburg (1213 - 4 Apr 1266)(m. 7 May 1255)
    :       ├─ Agnes of Brandenburg (Between 1256 and 1261 - Oct 1304 bur.Ringsted, Denmark) =>
    :       │ + Eric V Klipping, King of Denmark (1249 Lolland, Denmark - 22 Nov 1286 Finderup, Viborg, Denmark)
    :       │ (m. 11 Nov 1273)
    :       │ (m. 11 Nov 1273)
    :       └─ Heinrich I of Brandenburg (Abt 1260 -
    :        14 Feb 1318 bur.Chorin Cloister, Chorin, Brandenburg, Germany) =>
    :        14 Feb 1318 bur.Chorin Cloister, Chorin, Brandenburg, Germany) =>
    :        + Agnes of Bavaria (Between 1276 and 1278 - 22 Jul 1345 Sangerhausen, Saxony-Anhalt, Germany)
    :        (m. Aft Nov 1298 Nürnberg, Bavaria, Germany)
    :        (m. Aft Nov 1298 Nürnberg, Bavaria, Germany)
    Agnes of Austria (19 Feb 1206 - 29 Jul 1226)(m. 1222)
    :   └─ Jutta of Saxony (Abt 1224 - ??)
    :    Erik IV-VI, King of Denmark (1216 - 10 Aug 1250)(m. 17 Nov 1239)
    :       └─ Sofia of Denmark, Queen Consort of Sweden (Abt 1241 - 1286) =>
    :        + Valdemar Birgersson, King of Sweden (1237 - 26 Dec 1302)(m. 1260)
    Helene of Brunswick-Lüneburg (18 Mar 1223 - 6 Sep 1273)(m. Between 1247 and 1248)
       ├─ Albrecht II of Saxony ( - 25 Aug 1298 Aken, Saxony-Anhalt, Germany)
       │ Agnes of Habsburg (Abt 1257 - 11 Oct 1322 Wittenberg, Saxony-Anhalt, Germany)
       │ (m. Oct 1273 Aachen, Westphalia, Germany)
       │ (m. Oct 1273 Aachen, Westphalia, Germany)
       │    ├─ Anna of Saxe-Wittenberg ( - 22 Nov 1327 bur.Wismar, Mecklenburg-Vorpommern, Germany) =>
       │    │ + Heinrich II of Mecklenburg (Abt 1267 Riga, Latvia -
       │    │ 21 Jan 1329 Sternberg, Mecklenburg-Vorpommern, Germany)(m. 6 Jul 1315)
       │    │ 21 Jan 1329 Sternberg, Mecklenburg-Vorpommern, Germany)(m. 6 Jul 1315)
       │    └─ Rudolf I of Saxony (Abt 1280 - 12 Mar 1356 bur.Wittenberg, Saxony-Anhalt, Germany) =>
       │     + Agnes of Lindow-Ruppin ( - 9 May 1343 bur.Franciscan cloister, Wittenberg, Saxony-Anhalt, Germany)
       │     (m. Aft 9 Apr 1331)
       │     (m. Aft 9 Apr 1331)
       └─ Helene of Saxony ( - 12 Jun 1309 bur.Nuremberg, Bavaria)
        + Henryk III (Between 1227 and 1230 - 3 Dec 1266)
        Friedrich I-III of Nurenberg (Abt 1220 - 14 Aug 1297)(m. Bef 10 Apr 1280)
           └─ Friedrich IV of Nurenberg (Aft 15 Aug 1287 - 19 May 1332 Nürnberg, Bavaria, Germany) =>
            + Margareta of Görz ( - Between 26 Jun 1348 and 27 Sep 1348 bur.Cloister Church, Birkenfeld,
            Rhineland-Palatinate, Germany)(m. Bef 2 Aug 1307)
            Rhineland-Palatinate, Germany)(m. Bef 2 Aug 1307)