Nielsen Hayden genealogy
Descendants of (Unknown mistress of St. Vladimir of Kiev)
(Unknown mistress of St. Vladimir of Kiev)
St. Vladimir of Kiev, Grand Prince of Kiev ( - 15 Jul 1015 Berestovo, west of Kiev)
   ├─ (Unknown) of Kiev
   │ Bernhard von Haldensleben ( - Aft 1044)(m. Between 991 and 992)
   │    └─ Conrad von Haldensleben
   │    
   │         + Frederick of Formbach (Abt 1020 - Abt 1060)
   └─ Maria Dobronega (Aft 1011 - 1087)
    Casimir I, Duke Of Poland (25 Jul 1016 Krakow, Malowpolskie, Poland -
    28 Nov 1058 Poznan, Wielkopolskie, Poland)(m. 1038)
    28 Nov 1058 Poznan, Wielkopolskie, Poland)(m. 1038)
       ├─ Wladyslaw I Herman, Duke of Poland (Abt 1043 - 4 Jun 1102 Plock, Mazowieckie, Poland)
       │ Judith Premyslid, Princess of Bohemia ( - Between 1093 and 1095)(m. Abt 1080)
       │    ├─ Boleslaw III "Wrymouth", King of Poland (20 Aug 1085 - 28 Oct 1138) =>
       │    │ + Zbyslava of Kiev ( - Between 1110 and 1111)
       │    │ + Salome von Berg-Schelklingen (Bef 1101 - 27 Jul 1144)(m. 1115)
       │    └─ (Unknown) of Poland (Abt 1089 - Bef 12 May 1112) =>
       │     + Jarowslaw I Swjatopolkowitsch ( - May 1123)(m. Bef 1108)
       └─ Swatislawa of Poland (Abt 1048 - 1 Sep 1126)
        Vratislaus II, King of Bohemia (Abt 1035 - 14 Jan 1092)(m. 1063)
            + Richza von Berg-Schelklingen (Abt 1095 - 27 Sep 1125)