inquire of (someone or something)
To ask someone for some type of information. A noun or pronoun can be used between "inquire" and "of." Mother, if Gerald inquires something personal of me, what should I tell him? I'm going to inquire of your mother and see if she knows you snuck out last night.
inquire something of someone
to ask some information of someone. I need to inquire something of you. May I inquire something personal of you?