Nielsen Hayden genealogy
Descendants of Przmyslaw I
1220 - 1257 (37 years)Father: Wladislaw Odonicz (Abt 1190 - 5 Jun 1239)
Mother: Jadwiga ( - 29 Dec 1249)
Przmyslaw I (1220 - 4 May 1257)
Elisabeth von Schlesien (Between 1224 and 1232 - 16 Jan 1265 Modrze, Poznan, Poland)(m. 1244)
   └─ Konstancja of Poland (Between 1245 and 1246 - 10 Oct 1281)
    Konrad I (Between 1236 and 1245 - Between 15 Mar 1304 and 21 May 1304)(m. 1260)
       └─ Agnes of Brandenburg ( - 4 Jun 1330 bur.St. Nikolai, Zerbst, Saxony-Anhalt, Germany)
        Albrecht I of Anhalt ( - Between 17 Aug 1316 and 2 Mar 1317)(m. 1300)
            + Bernhard III of Anhalt ( - 20 Aug 1348)(m. Abt 1339)