For Weddings in Ireland.

For a religious ceremony the seating plan would be as shown in the diagram below

.
Chief bridesmaid & attendants		Bestman & groomsmen.
Bride’s parents & family		Groom’s parents & family
Bride’s family & relatives		Groom’s family & relatives
Bride’s honoured guests		Groom’s honoured guests
Bride’s friends....		Groom’s friends.