Each part of the family hosts this periodically. The good news is that I'm not due again for 10+ years.
We cleared out an empty room and setup tables and chairs to feed this mass of people, and still had 11 people eating in the kitchen, with 6 in the den.
You're very lucky to have that much family around /ubbthreads/images/graemlins/smile.gif even if they are a pain when they all visit together /ubbthreads/images/graemlins/grin.gif