We're paying for most of the wedding, how do we word the invitations?

Question: We're paying for most of the wedding, how do we word the invitations?

Answer: If you and your parents are all chipping in for the cost of the wedding, ettiquette says the wording should be:

Katherine Marie Jones
and
Tomas Rodriguez
together with their parents
Casey and Elizabeth Jones
and
Juan and Maria Rodriguez
request the honor of your presence
etc.