Nielsen Hayden genealogy
Descendants of Margarethe von Hohenstaufen
Abt 1237 - 1270 (~ 33 years)Father: Friedrich II, Holy Roman Emperor (26 Dec 1194 - 13 Dec 1250)
Mother: Isabella of England (1214 - 1 Dec 1241)
Margarethe von Hohenstaufen (Abt Feb 1237 - 8 Aug 1270 Frankfurt-am-Main, Germany)
Albrecht II of Meissen (1240 - 20 Nov 1315)(m. 1254)
   ├─ Friedrich I of Meissen (1257 - 16 Nov 1323 Wartburg, Eisenach, Thuringia, Germany)
   │ Elisabeth von Lobdeburg-Arnshaugk (1286 - 22 Aug 1359 Gotha, Thuringia, Germany)(m. 24 Aug 1300)
   │    ├─ Elisabeth of Meissen (1306 - Bef 10 Nov 1367)
   │    │ Heinrich II von Hessen (Bef 1302 - 3 Jun 1376)(m. Bef 25 Sep 1320)
   │    │     + Ernst of Brunswick (1305 - 24 Apr 1367)(m. 1339)
   │    └─ Friedrich II of Meissen (1310 Gotha, Thuringia, Germany -
   │     18 Nov 1349 Wartburg, Eisenach, Thuringia, Germany)
   │     18 Nov 1349 Wartburg, Eisenach, Thuringia, Germany)
   │     Mechtild of Bavaria (Aft 21 Jun 1313 - 3 Jul 1346 Meissen, Saxony, Germany)
   │     (m. May 1323 Nürnberg, Bavaria, Germany)
   │     (m. May 1323 Nürnberg, Bavaria, Germany)
   │        └─ Elisabeth of Meissen (22 Nov 1329 Wartburg, Eisenach, Thuringia, Germany -
   │         21 Apr 1375 bur.Heilsbronn Cloister, Heilsbronn, Bavaria, Germany) =>
   │         21 Apr 1375 bur.Heilsbronn Cloister, Heilsbronn, Bavaria, Germany) =>
   │         + Friedrich V of Nürnberg (Bef 3 Mar 1333 - 21 Jan 1398 Plassenburg, Kulmbach, Bavaria, Germany)
   │         (m. 7 Sep 1350)
   │         (m. 7 Sep 1350)
   └─ Agnes von Meissen (Bef 1264 - Aft 1 Feb 1332)
    Heinrich I of Brunswick (Aug 1267 - 7 Sep 1322)(m. 1282)
       └─ Ernst of Brunswick (Abt 1297 - 11 Mar 1361)
        Adelheid of Everstein ( - Aft 1376)(m. Abt 1335)
           └─ Albrecht I of Brunswick (Abt 1339 -
            Between 11 Aug 1383 and 22 Sep 1383 Salzderhelden, Lower Saxony, Germany) =>
            Between 11 Aug 1383 and 22 Sep 1383 Salzderhelden, Lower Saxony, Germany) =>
            + Agnes of Brunswick-Lüneburg ( - 21 Mar 1410)(m. Bef 17 Aug 1372)