quite a lot
Too Many Manys
A.It's not necessarily tacky, but things can get out of hand if the wedding party is too big. For one thing, you'll want to be sure there aren't more people standing up at the altar than are sitting...
A barony is within a county or duchy. I suppose it would be possible for a barony not to be so, but I have never heard of it.
check out microsoft.com for step by step guide on how to do this