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Family name 'Ελενα ('Ελενα ) , across the world, is an extremely rare cognomen. Much more prevalently, 'Ελενα is the forename as well as the last name.
Γ', Λ', Π', Χ', Ζήνωνος, Κουρλού, Κατερινα, and Καραγιαννάκου