Nielsen Hayden genealogy
Descendants of Otto of Everstein
Father: Hermann von Everstein ( - Aft 1268)
Mother: Hedvig Jensdatter ( - 6 Jun 1266)
Otto of Everstein
   └─ Hermann II of Everstein ( - Between 20 Jun 1350 and 12 Jun 1351)
    Adelheid zur Lippe ( - Aft 1324)
       └─ Adelheid of Everstein ( - Aft 1376)
        Ernst of Brunswick (Abt 1297 - 11 Mar 1361)(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)
               └─ Erich of Brunswick ( - 28 May 1427 bur.St. Alexander, Einbeck, Lower Saxony, germany)
                Elizabeth of Brunswick-Göttingen ( - Aft 29 Sep 1444)(m. Between 1 Jul 1405 and 14 Jul 1405)
                   └─ Anna of Brunswick-Grubenhagen (Abt 1420 - 9 Oct 1474 Nannhofen, Bavaria, Germany)
                    + Albrecht III of Bavaria (Munich, Bavaria, Germany;27 Mar 1401 - 29 Feb 1460)
                    (m. 22 Jan 1437 Munich, Bavaria, Germany)
                    (m. 22 Jan 1437 Munich, Bavaria, Germany)