Nielsen Hayden genealogy
Descendants of Hedwig of Diepholz
Father: Konrad V of Diepholz
Mother: Hedwig of Rietberg ( - Aft 1347)
Hedwig of Diepholz
Johann II of Oldenburg (Abt 1270 - Bef 6 Dec 1316)(m. 15 Sep 1298)
   └─ Konrad I of Oldenburg ( - Bef 9 Feb 1348)
    Ingeborg of Holstein (Between 1314 and 1317 - Aft 1342)(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)