Nielsen Hayden genealogy
Descendants of Gerard IV of Holstein
- 1317Father: Gerhard II of Holstein (Bef 1 Nov 1253 - 25 Oct 1312 bur.Hamburg Cathedral, Hamburg, Germany)
Mother: Ingeborg of Sweden ( - Bef 1293)
Gerard IV of Holstein ( - 1317)
Anastasia of Schwerin-Wittenburg ( - Aft 7 Jun 1314)(m. Between 30 Jul 1313 and 21 Oct 1313)
   └─ Ingeborg of Holstein (Between 1314 and 1317 - Aft 1342)
    Konrad I of Oldenburg ( - Bef 9 Feb 1348)(m. Bef 13 May 1339)
       └─ Christian V of Oldenburg ( - Between 10 Nov 1399 and 22 Apr 1403)
        Agnes of Honstein (Abt 1360 - 1 Sep 1407)(m. Bef 29 Aug 1377)
           └─ Dietrich of Oldenburg ( - 14 Feb 1440 Delmenhorst, Lower Saxony, Germany) =>
            + Heilwig of Holstein (1398 - Bef 11 Nov 1436 bur.Oldenburg, Lower Saxony, Germany)(m. 23 Nov 1423)