a court order to appear before said judge, you have to appear or you can be held in contempt of court, in some cases a warrant may be issued.
You cannot supeona them, you will have to either get a search warrant or a court order.
a supeona
I was served by phone on a Saturday afternoon. Can I be served on a non -working day
File an action with a competent court with jurisdiction and then you can request a subpoena from the court for necessary records.
If you do not respond to a supeona, a court issued document, you can be charged with contempt of court.
He is a minor and can not function as an adult--someone must represent him.
A SUBPOENA is issued by the court, not by an individual. If you have a case, or a hearing, in court you may request that the court issued subpoenas to compel those people necessary to attend, and assist you in your case, and the court will issue them.