Cognomen Cyrén (Cyrén 
) , throughout the world, is a very rare family name. The last name Cyrén is habitual in Northern Europe, particularly Sweden, where it is a rare surname.
| otto cyrén SE (b. 1878) |
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| gunnar cyrén Swedish industrial designer (1931-2013), SE (b. 1931) |
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karin cyrén (b. 1984) |
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| mårten cyrén Swedish designer, SE (b. 1958) |
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| carl august otto cyrén |
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