Nielsen Hayden genealogy
Descendants of Johann of Diepholz
- Aft 1265Father: Konrad of Diepholz ( - Bef 1239)
Mother: Jutta
Johann of Diepholz ( - Aft 1265)
Hedwig von Roden ( - 1248)
   └─ Konrad V of Diepholz
    Hedwig of Rietberg ( - Aft 1347)(m. Bef 1278)
       └─ Hedwig of Diepholz
        Johann II of Oldenburg (Abt 1270 - Bef 6 Dec 1316)(m. 15 Sep 1298)
            + Ingeborg of Holstein (Between 1314 and 1317 - Aft 1342)(m. Bef 13 May 1339)