Reschedule wedding due to family?

My wedding is in three months. A very close family member is on trial for reasons I wont disclose. The trial has been rescheduled for two days after our wedding day. My parents want us to reschedule. They are paying for the wedding, but all plans are concrete down to tuxes, dresses, hall, DJ and caterer etc. We chose a day that is unique and special to us. What should we do?