Nielsen Hayden genealogy
Descendants of Božena
- 1052Father: Kresina
Božena ( - 1052)
Oldrich of Bohemia (Abt 970 - 9 Nov 1034)
   └─ Bretislaus I (Between 1002 and 1005 - 10 Jan 1055)
    Judith of Schweinfurt ( - 2 Aug 1058 bur.St. Vitus Cathedral, Prague, Bohemia)(m. Aft 1021)
       ├─ Konrad I of Mähren ( - 6 Sep 1092)
       │ Wilpirk
       │     + Ida von der Ostmark
       └─ Vratislaus II, King of Bohemia (Abt 1035 - 14 Jan 1092)
        Adelaide of Hungary ( - 27 Jan 1062)
        :   └─ Judith Premyslid, Princess of Bohemia ( - Between 1093 and 1095) =>
        :    + Wladyslaw I Herman, Duke of Poland (Abt 1043 - 4 Jun 1102 Plock, Mazowieckie, Poland)(m. Abt 1080)
        Swatislawa of Poland (Abt 1048 - 1 Sep 1126)(m. 1063)
            + Richza von Berg-Schelklingen (Abt 1095 - 27 Sep 1125)