अनुबाद - अंग्रेजी-अरबी - wagner louis; peter henry; larissa

larissa is already in english form.
luis could be translated into many forms, with louis the most common in english (as well as french).
wagner doesn't have a translation, so it's accepted in english as is

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If "Wagner" is a German name, so it is transtation into Arabic would be:
فاجنر
as "W" is pronounced /v/ in German

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