How do i stop my dog from begging when I never reinforce it?

I have a well behaved siberian husky--who has 2 very bad problems ive been working on right now. One is kind of breed specific but i know how to deal with it and it's improving (coming when called in new places) while the other, i never even thought id have to deal with. Begging. I NEVER give dogs food from the table, i dont think i have in years. Yet, my family does. Ive shoved enough dog information down their throats that they dont give her most foods, but they still p her meat. The odds of me somehow convincing them to stop is little to none- im a dog person, but im still a teenager in a family of hill billies that laughs at my opinion of dog training. "Dog begging is natural." It is embaring to have her begging in other places, and the whimpering, hand nudging and blue eyed gaze is down right annoying. Id really like the behavior to STOP, but it cant imagine how it would as long as my parents and younger siblings dont stop giving rewards for it.