Surname Beláustegui (Beláustegui 
) , around the globe, is an extremely rare last name. The last name Beláustegui is characteristic of Latin America and the Caribbean, particularly Argentina, where it is a very rare surname.
| melchora rodríguez de beláustegui UY (b. 1780) |
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luis beláustegui Argentinian judge and lawyer, AR (b. 1842) |
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| sebástian beláustegui (b. 1969) |
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