Nielsen Hayden genealogy
Descendants of Ingeborg of Holstein
1317 - Aft 1342 (~ 29 years)Father: Gerard IV of Holstein ( - 1317)
Mother: Anastasia of Schwerin-Wittenburg ( - Aft 7 Jun 1314)
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)
           └─ Christian I, King of Denmark, Norway, and Sweden (Feb 1426 - 21 Mar 1481 Copenhagen, Denmark) =>
            + Dorothea of Brandenburg (1430 - 10 Nov 1495 Kalundborg, Denmark)
            (m. 28 Oct 1449 Copenhagen, Denmark)
            (m. 28 Oct 1449 Copenhagen, Denmark)