Im American and I'm in love with someone about to be deported?

I'm in love with someone who's about to be deported, I have a serious relationship with her, she is a single mom of 2 kids, her kids were born here( their father is us citizen) and she'll be legally divorced in July, she stayed illegally in USA, the day she came here, she was arrested,but released from jail with a court date to be present, she never went to that courtdate, so she married the father of her kids, but separated because of domestic violence, but she was arrested despite being the victim, police dept. found out she had a no show courtdate violation for immigration, ad she was detained for that a month, she got released again, but she was being given dates to appear in immigration office to sign her appointments with immigration( don't know how that was)but this last week she went again there and they told her she has to go back home voluntarily,before this end of year but she has to comeback to this office bringing her fly ticket, THE THING IS I AM IN LOVE WITH THIS WOMAN AND I LOVE HER KIDS, THE QUESTION IS WHAT CAN I DO TO STOP THIS DEPORTATION, I KNOW IF SHE GETS BACK SHE'LL HAVE TO GO BACK WITHOUT HER KIDS AN THEY HAVE TO STAY WITH THEIR IRRESPONSIBLE ALCOHOLIC FATHER, I have 3 months until she goes back to immigration dept in October 23 to show her fly ticket, I want her to stay for me because I am deeply on love with her, WHAT CAN I DO?, please If u are a minuteman or insensitive racist or don't like my story or this person I talk about who I love so much, please dont comment, I really appreciate thank u