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andrzej grzegorczyk
Polish mathematician and philosopher, PL
(b. 1922)
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piotr grzegorczyk
1894-1968; ISNI: 0000 0000 8113 6444; LC: n85249467; http://viaf.org/viaf/34587136/
(b. 1894)
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christophe grzegorczyk
French-Polish academic and lawyer (1946-2018), FR
(b. 1946)
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marian grzegorczyk
(b. 1887)
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jan grzegorczyk
Polish trade unionist, PL
(b. 1899)
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rozalia grzegorczyk
(b. 1896)
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jan grzegorczyk
Polish writer, PL
(b. 1959)
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władysław grzegorczyk
PL
(b. 1905)
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paweł grzegorczyk
PL
(b. 1967)
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helena grzegorczyk
PL
(b. 1918)
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józef grzegorczyk
PL
(b. 1922)
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filip grzegorczyk
PL
(b. 1978)
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julian grzegorczyk
PL
(b. 1928)
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dan grzegorczyk
(b. 1929)
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ryszard grzegorczyk
Polish footballer, PL
(b. 1939)
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, Гжегорчик 
) , globally, is quite a common family name. The last name Grzegorczyk is characteristic of Poland, where it is quite a common surname, Ireland, where it is a rare surname, and France. Measured by absolute frequency, it is the most numerous in Poland, the United States, and France. More frequently, Grzegorczyk is the forename as well as the last name.