Jan Ostaszewski

Józef Ostaszewski (1904–1989) – engineer, scientist, one of the leading Polish specialists in the field of automatic oil extraction. Jan Ostaszewski (1905–1974)

General Florian Siwicki, Polish People's Army Paweł Małaszyński as Dariusz Ostaszewski Dimitri Bilov as Sasha Ivanov Krzysztof Pieczyński as Zbigniew Brzeziński

and Michał Ostaszewski (1720–1816) was one of main initiators of the Confederation of Bar in Subcarpathian Voivodeship. Tomasz Ostaszewski was helping

that received nobility in 1805, followed by the coat of arms of the Ostaszewski family that received nobility in 1785, most probably the name is wrongly

muszce. Obraża i przeraża". Gazeta Wyborcza. Retrieved 8 November 2023. Ostaszewski, Krzysztof. "The Market Solution to Economic Development in Eastern Europe"