MDKMDK wrote:
With that towing, sleeping, slides, and generator requirement, you're into a Super C diesel, or a diesel pusher. Not many typical gas engine class C motorhomes can meet those numbers.
X2
Another consideration is while you "might" be able to sleep that many in a standard Class {regardless of the size} where are you going to put their stuff? You won 't have much payload to begin with and loading as the OP proposes will quickly eat that up.
Get a Super C or find a Plan B.
As always... Opinions and YMMV.
:C