Host Line: This line is dedicated to honoring the host. This is typically the Bride’s parents and should begin with the father and then the mother. This is the formal way to write it, but with today’s etiquette, it’s very much appreciated to include both sets of parents. If you are paying and hosting the wedding yourself, place your own names starting with the groom.
If among the couple members wish to include their moms and dad that has actually passed on, they can claim something to the effect of 'boy of Mr. Smith and also the late Mrs. Smith.' That functions simply fine. If both parents are deceased, you may want to keep in mind that as 'boy of the late Mr. and Mrs.'