My FMIL is hosting a rehearsal party at a very casual restaurant setting. She would like to invite their out of town family and friends to the party (about 20 people). She asked if we would like to invite my out of town extended family which is about 70 people. However with the bridal party (40 people)- we are over the 100 person capacity of the venue. Would it be okay to limit the guest list to my parent's siblings/SOs and not my adult cousins and their SO's? This would allow us to keep the number to about 90 people total. My only concern is that some of my adult cousins (in their mid-20's) are traveling in with their parents. Is this rude to not include them?