Surname Sonder (Sunder 
, Sonda 
, Sunt 
) , in all the world, is a common cognomen. The cognomen Sonder is habitual in Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Oman, and Qatar. Measured by absolute frequency, it most frequently occurs in India, Indonesia, and Tanzania. More frequently, Sonder is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sunder | India, Indonesia, Mexico, Germany, Brazil |
| Sonda | India, Tanzania, Bangladesh, Indonesia, Mexico |
| Sunt | India, Thailand, United States, France, Indonesia |
| Sonder | India, United States, Indonesia, Germany, Brazil |
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otto wilhelm sonder German botanist (1812-1881), DE (b. 1812) |
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| simon sonder holocaust victim, b. 1867-12-19, DE (b. 1867) |
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| jette sonder holocaust victim, b. 1868-05-20, DE (b. 1868) |
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| eduard sonder holocaust victim, b. 1868-03-23, DE (b. 1868) |
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| berta sonder holocaust victim, b. 1872-07-20, DE (b. 1872) |
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| christoph sonder (b. 1862) |
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| selma sonder holocaust victim, b. 1872-05-30, DE (b. 1872) |
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justin sonder German holocaust survivor, DE (b. 1925) |
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| gertrud sonder victim of Nazi euthanasia (1876–1940), DE (b. 1876) |
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| leo sonder Holocaust victim, born 1899-03-03 (b. 1899) |
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| cäcilie sonder holocaust victim, b. 1900-06-06 (b. 1900) |
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| richard a. sonder (b. 1897) |
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| peter wilhelm sonder DE (b. 1931) |
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| christoph sonder botanist |
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| hans sonder son of Nazi euthanasia victim, US |
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