Military wife's help#!!

Have a question my husband and I have children together. We just spilt up cause he's been cheating on me. He just hot approved for his va benefits and told me that he's not going to support m3 or his kids. And now saying 5he kids aren't his. And I'm not entitled to any of the money cause I wasent in the military. I am now officially homeless with 6 kids no where to go and using the last bit of money I have to stay in hotel. And to mention I'm 6 months pregnant. Is there anything I can do. He is army verteran. We been waiting since 2013 for his disability benefits! Help please