House of Sokolowski
Jerzy IV Sokolowski Count of Kovno (1438-)
      wife: Anna (Niece to the Archduke of Salzburg) (1440-)

      sons: Jan Sokolowski (Heir) (1467-)
                      wife: Olga (Daughter of a wealthy Novgorod noble) (1471-)
                      sons:  Jerzy (1495-)
                               Stefan (1497-)
                      daughters: Klara (1496-)
                                     Weronika (1499-)

               Karol Sokolowski (1471-)
                      wife: Elena (daughter of a minor noble from Riga) (1476-)
                      son:  Friedrich (1497-)
                              Father Wiktor Sokolowski (1476-) priest in Kovno
                      daughter Silvia (1499-)
                       
       Daughter:  Kachna (1469-) Married to rich merchant in Hamburg

       5 other children died before reaching adulthood
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