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Cognomen صاحب السمو (صاحب السمو) , in the entire world, is an extremely rare last name.
Altesa, Altesse, Alteza, Highness, His Highness, Hoheit, Hoogheid, Sua Altezza, Yang Mulia, Your Highness, Điện Hạ, سمو, صاحبة السمو, and 殿下