Im In BIG Trouble what do i do?

me and my boy friend have been dating for a while but however my sister and his aunt are best friends (however they are mad at each othe right now) they dont want us dating but i love him and he loves me...should we go against our older family members and continue dating or should we break what we have to make them happy? i really dont wanta loose him and i also dont wanta disapoint my family what do i ******* do!...uh this him texting me now gotta go!