YOU SAID:
My friend's name is Jelena
INTO JAPANESE
私の友人の名前はジェレナです
BACK INTO ENGLISH
My friend's name is Jerena
INTO JAPANESE
私の友人の名前はヘレナです
BACK INTO ENGLISH
My friend's name is Helena
INTO JAPANESE
私の友人の名前はヘレナです
BACK INTO ENGLISH
My friend's name is Helena
That didn't even make that much sense in English.