Family name Grétry (Grétry 
) , across the world, is a very rare surname. The last name Grétry is characteristic of Western Europe, particularly Belgium, where it is a rare surname, and France, where it is an extremely rare surname.
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| Grétry | France, Belgium |
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andré ernest modeste grétry composer from present-day Belgium (1741–1813), FR (b. 1741) |
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| lucile grétry French composer, FR (b. 1772) |
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| andré-joseph grétry French playwright (1774-1826), FR (b. 1774) |
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| marie-marguerite-ernestine grétry FR (b. 1776) |
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| emilie grétry Righteous Among the Nations, BE (b. 1894) |
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| joseph grétry Righteous Among the Nations, BE (b. 1895) |
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