I asked for the information of family members from my fiance's mother and she gave me a list of only 13 people. I know there are a lot more and I am not sure how many children the aunt' and uncle's have. Everytime I ask she just says "Don't worry about it, they probably won't come". But, even if they don't I think it is still nice to invite. I think she might be feeling bad about not helping (money wise) so she does not want her family to be a burden. How do I get this information without being a pain? And how do i invite the cousins when i don't know how many there are? Would I say something like "Mr. and Mrs. John Smith and Children"?