Please provide names, emails and phone numbers if available. This information is great to have on-hand on the day-of so I can address your family by their names and to reach them if needed.
# of Groomsmen, # of Bridesmaids, Flower Girls, Ringbearers, Ushers, Greeters, Personal Attendants
I can help you with this if you're not sure.
If you don't know yet, that is okay!