Sit down with both sets of parents before the list is finalized. If they want to add "obligatory" guests, be clear about your budget and venue capacity.
Here is a blog post structure and some key insights on how to handle the "Invitati per forza" phenomenon. Invitati per forza
To avoid hurt feelings, apply a consistent rule. For example, "No children" or "No cousins we haven't spoken to in two years." It’s much harder to argue with a rule than a personal choice. For the Guest: Is it a "Mandatory" Joy or a Sentence? Sit down with both sets of parents before