Surname Chastelain (Chastelain 
) , all around the world, is a very rare cognomen. The cognomen Chastelain is characteristic of Spain, where it is a very rare surname, France, and South Africa, where it is an extremely rare surname. Much more prevalently, Chastelain is the forename as well as the last name.
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| Chastelain | United Kingdom, Democratic Republic of the Congo, France, South Africa, Spain |
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georges chastelain Burgundian writer and historian, FR (b. 1415) |
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| charles chastelain BE (b. 1500) |
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| claude chastelain FR (b. 1639) |
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| charles chastelain French painter, 1672-1755, FR (b. 1672) |
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| pierre chastelain French monk and writer (1709-1782), FR (b. 1709) |
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| wilhelmina christina le chastelain 22 Feb 1760 Alkmaar - 5 Dec 1787 Alkmaar (b. 1760) |
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| ernest le chastelain FR (b. 1825) |
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alfred gardyne de chastelain British soldier and businessman, GB (b. 1906) |
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marion de chastelain American linguist (b. 1910) |
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| john de chastelain Canadian diplomat and soldier, RO (b. 1937) |
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| renée de chastelain French poet |
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| willem jan le chastelain, burgemeester van alkmaar - 17 Jun 1778 Alkmaar |
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