Prince Wladysław Dominik Zasławski-Ostrogski was a Polish nobleman of Ruthenian stock. Prince of the Princely Houses of Poland, Ostroh Ordynat, Grand Koniuszy of The Crown.
Zasławski was the most powerful magnate in Volhynia at that time. Wikipedia
Born: 1616, Izyaslav, Ukraine
Died: May 5, 1656 (age 40 years), Stare Selo, Ukraine
Spouse: Katarzyna Sobieska (m. 1650)
Children: Aleksander Janusz Zasławski and Teofila Ludwika Zasławska
Grandchildren: Aleksander Dominik Lubomirski, Teresa Lubomirska, and Marianna Lubomirska
Grandparents: Janusz Ostrogski and Janusz Zasławski
Great grandchildren: Anna Elisabeth Theophilia von der Pfalz and Theophilia Elisabeth Franziska Felicitas von der Pfalz