Actually, it was more of a "save the date" notice that is typically sent out to out-of-town guests about 6 months before the wedding to assist in making travel plans. (See you really should read more of the Ms. Manners books). I actually would not be surprised if Monshu received his own note. Ours was addressed to Mr BB and Ms EA (Yay - someone finally remembers I have my own name!).
sin of omission
-e