Last name Siqués (Siqués 
) , all over the world, is an extremely rare surname. The last name Siqués is characteristic of Spain, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| miguel estorch y siqués Spanish mathematician, teacher and writer (1809-1870), ES (b. 1809) |
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| francesc xavier estorch i siqués Spanish composer, ES (b. 1815) |
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| josep casals i siqués ES (b. 1830) |
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