Tax question??

Erica • Newly married to the love of my life and just had our little boy March 10,2015. 💙
My husband and I got married August 1st of this year and hes going to claim me on his taxes, and my dad keeps saying hes claiming me on his  just so he can get an extra 1,000$ which we need for our son who will be here in march my dad would be the to get in trouble or audited wouldn't he?