Nielsen Hayden genealogy
Descendants of Heinrich I of Holstein
1260 - 1304 (~ 49 years)Father: Gerhard I of Holstein (1232 - 21 Dec 1290)
Mother: Elizabeth von Mecklenburg ( - Bef 6 Feb 1280)
Heinrich I of Holstein (Between 1255 and 1260 - 5 Aug 1304 bur.Itzehoe, Schleswig-Holstein, Germany)
Heilwig von Bronkhorst ( - Bef 1331)(m. 1289)
   └─ Gerhard III of Holstein (Abt 1293 - 1 Apr 1340 Sankt Mortens, Randers, Denmark)
    Sophia of Werle ( - Aft 6 Dec 1339)(m. Abt 1314)
       └─ Heinrich II of Holstein (Between 1316 and 1318 - Bef 17 Apr 1390)
        Ingeburg of Mecklenburg ( - Aft 25 Jul 1395)(m. Abt 1366)
           └─ Gerhard V of Holstein (Abt 1367 - 5 Aug 1404 Suderhamme, Dithmarschen) =>
            + Elisabeth of Brunswick-Lüneburg (Abt 1370 - Bef 3 Apr 1422)(m. 1395)