Igor Sikorsky (25 May 1889 - 26 October 1972) was born Igor Ivanovich Sikorsky (Russian: Игорь Иванович Сикорский). Sikorsky was a Russian-American pioneer of aviation who designed and flew the world's first multi-engine fixed-wing aircraft, developed the first of Pan American Airways' ocean-conquering flying boats in the 1930s, and developed the first successful helicopter.
Igor Sikorsky was born, the youngest of five children, in Kiev (now the capital of Ukraine), in the Russian Empire.
Sikorsky's father, Ivan Alexeevich Sikorsky, was a professor of psychology of mixed Russian-Polish ethnicity. The Sikorsky family was of Polish szlachta origin
"Sergey Vladimirovich Yastrzhembsky (Russian: Сергей Владимирович Ястржембский, Polish: Siergiej Władimirowicz Jastrżembski), born December 4, 1953, Moscow, is a Russian Federation politician and diplomat born into a Polish family, Jastrzębski vel Jastrzembski"
"Towards the end of his posting to Brussels, Yastrzhembsky warned the EU that recognizing Kosovo's independence would open a "Pandora's box" of separatism in Europe."