Nielsen Hayden genealogy
Descendants of Gertrud von Brandenburg
Father: Albrecht of Saxony (1100 - 18 Nov 1170)
Mother: Sophia von Winzenburg ( - 8 Jun 1160)
Gertrud von Brandenburg
Diepold I of Bohemia (Abt 1114 - 15 Aug 1167)
   └─ Hedwig of Bohemia ( - 19 Feb 1211)
    Friedrich I von Wettin (Between 1142 and 1145 - 4 Jan 1182)
       └─ Friedrich II von Wettin (Abt 1165 - 16 Oct 1221 Acre, Palestine)
        Judith von Ziegenhain ( - 6 Oct 1220)(m. 1181)
           └─ Hedwig of Brehna
            Dietrich I of Honstein ( - 23 Jul 1249)
               └─ Heinrich II of Honstein ( - 24 Jan 1284)
                Mechtild von Regenstein (m. Bef 1253)
                   └─ Dietrich II of Honstein ( - Between 28 May 1309 and 11 Aug 1309)
                    Sophie of Anhalt ( - Aft 20 May 1322)(m. Bef 28 Nov 1282)
                       └─ Dietrich III of Honstein ( - Between 29 Sep 1329 and 4 May 1330)
                        Elizabeth of Waldeck ( - Aft 1370)
                           └─ Dietrich IV of Honstein ( - Between 1378 and 1379) =>
                            + Sophie of Brunswick ( - 1394)(m. Aft 1350)