YOU SAID:
what is the name of my best friends baby?
INTO JAPANESE
私の親友の赤ちゃんの名前は?
BACK INTO ENGLISH
What is my best friend's baby name?
INTO JAPANESE
私の親友の赤ちゃんの名前は何ですか.
BACK INTO ENGLISH
What is my best friend's baby name?
That didn't even make that much sense in English.