Umiastowski
Umiastowski-von Nandelstädt is a Polish noble-aristocratic family and one of oldest aristocratic lines in Central and Eastern Europe with records in Poland going back to 1238 (Rościsław Pierzchała-"prefectus plociensis, haetmanus mazoviensis"). History. The Umiastowski family line is a Polish line. Their origins date back to the Piast dynasty period. The Umiastowskis possessed numerous estates in Mazovia, Kuyavia, and Lesser Poland. The progenitor of the family, Rościsław, was a starost of Płock and hetman under Konrad I of Masovia. At one point in time the Umiastowskis settled in Livonia, an area now belonging to Latvia and Estonia. As  of the 16th century the full family name has been von Nandelstädt Umiastowski, the first part being granted to them by Christina of Sweden. Land holdings. The Umiastowski property included: From Pierzchała to Umiastowski. The Pierzchała family changed their name from Pierzchała to Umiastowski in the 15th century, when they owned the town of Umiastów near Warsaw (in Duchy of Mazovia). Members. Representatives of the family included: External links. Two foundations exist established by this family: