Nielsen Hayden genealogy
Descendants of Kresina
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)
           │ + Wilpirk
           └─ Vratislaus II, King of Bohemia (Abt 1035 - 14 Jan 1092) =>
            + Adelaide of Hungary ( - 27 Jan 1062)
            + Swatislawa of Poland (Abt 1048 - 1 Sep 1126)(m. 1063)