Last name Róbertsdóttir (Róbertsdóttir 
) , throughout the world, is a very rare surname. The cognomen Róbertsdóttir is characteristic of Northern Europe, particularly Iceland, where it is quite a common surname, and the United Kingdom, where it is an extremely rare surname.
| valgerður róbertsdóttir IS (b. 1904) |
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| ragna róbertsdóttir (1945 -) Icelandic painter (b. 1945) |
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| hrefna róbertsdóttir IS (b. 1961) |
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| íris róbertsdóttir IS (b. 1972) |
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