What is it called!There is this movie i saw a long time ago and i realy want to see the ending to it but i don

Question

Then the girl gets sent back in time 2 the holochost just began. She is her (relitive who eveyone says she looks so much like) and her aunt is with her but she of course is much younger. When she trys to explane she is from the future and not (her relitive) and raves her aunt claims she is sick and it is the fever talking (basicly throught the rest of the story she is said to be insane)
So then they go 2 a jewish wedding where the nazis show up and take them all away 2 the consentration camps.
@ the consentration camps they get the # on there arms, clothes and belonging taken away and there hair cut real short and are separated from there husbands and sons.
In the middle of the story 3 boys (friends or something) are hung for trying to escape. And a woman has a baby secretly and then later caught, baby killed mother protests she is killed 2.
while working aunt coughs, if sick u die, girl nos aunt not suposted 2 die, switch hats with aunt grl taken away 2 big gas building...

Answer 1

I think it's "The Devil's Arithmetic" (with Kirsten Dunst).

Answer 2

Kirsten Dunst was in it I think. I caught the tale end of it the other day on cable, but I don't know what the name of it is. If you IMDB Kristin Dunst movies, you may come up with the title.