Well what you need to do is make her feel at home. Only when you start seeing her family as yours, she will see yours as her. It is going to be a two way process.
rkaka
How long have you two been seeing each other?
Sunshineme
It will take time for both of you to start taking each others side of the family. Just give it sometime
goofyIcecream0
Have you tried talking about this with her, also have you accepted her family members like yours?