Surname Du Plessis (Du Plessis 
) , in all the world, is a common family name. The family name Du Plessis is habitual in Sub-Saharan Africa, particularly South Africa, where it is quite a common surname, Namibia, and the Central African Republic, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in South Africa, Namibia, and Australia.
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| Du Plessis | Australia, Namibia, Zimbabwe, United Kingdom, South Africa |
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alphonse-louis du plessis de richelieu Catholic cardinal, archbishop and abbot, FR (b. 1582) |
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pacifique du plessis French Recollet friar and missionary, FR (b. 1584) |
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| roger du plessis, duc de liancourt French aristocrat, FR (b. 1598) |
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armand emmanuel sophie septemanie de vignerot du plessis French politician (1766-1822), FR (b. 1766) |
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| susanne du plessis Dutch plantation owner, SR (b. 1739) |
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joachim du plessis de grenédan FR (b. 1870) |
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| david du plessis South African minister (1905-1987), ZA (b. 1905) |
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| hubert du plessis South African composer, ZA (b. 1922) |
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paul du plessis legal historian (b. 1974) |
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| pg du plessis South African writer, ZA (b. 1934) |
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| hans du plessis South African rugby league footballer, ZA (b. 1945) |
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| jaco du plessis South African singer, ZA (b. 1977) |
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| josef du plessis actor |
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| rosemary du plessis New Zealand sociologist, NZ |
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| megan du plessis actress |
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