Nielsen Hayden genealogy
Descendants of Mechtild von Regenstein
Father: Ulrich I von Regenstein ( - Between 24 Jun 1265 and 5 Jun 1267)
Mother: Mathilde
Mechtild von Regenstein
Heinrich II of Honstein ( - 24 Jan 1284)(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)
               └─ Agnes of Honstein (Abt 1360 - 1 Sep 1407)
                Christian V of Oldenburg ( - Between 10 Nov 1399 and 22 Apr 1403)(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)
                    (m. 23 Nov 1423)
                       └─ Christian I, King of Denmark, Norway, and Sweden (Feb 1426 -
                        21 Mar 1481 Copenhagen, Denmark)
                        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)
                           └─ Margaret of Denmark (23 Jun 1456 -
                            14 Jul 1486 Stirling, Stirlingshire, Scotland) =>
                            14 Jul 1486 Stirling, Stirlingshire, Scotland) =>
                            + James III, King of Scots (26 May 1452 Castle of St. Andrews, St. Andrews,
                            Fife, Scotland - 11 Jun 1488 Sauchieburn, near Stirling, Stirlingshire,
                            Scotland)(m. 13 Jul 1469 Holyrood Abbey, Edinburgh, Midlothian, Scotland)
                            Fife, Scotland - 11 Jun 1488 Sauchieburn, near Stirling, Stirlingshire,
                            Scotland)(m. 13 Jul 1469 Holyrood Abbey, Edinburgh, Midlothian, Scotland)