First, be sure it is a 1095-A. 1095-B and 1095-C forms are for your records only and won't be entered into TurboTax.
If the dependents are being claimed by you on your tax return, you would enter both 1095-A 's into TurboTax under the Health Insurance section on your return. TurboTax will walk you through and ask the right questions. I've included more information below:
Please also see this link "I'm on my parents' 1095-A form. What do I do on my return?"
https://ttlc.intuit.com/questions/3206605
Also you can visit https://www.healthcare.gov/taxes/ for assistance as well.
Please see the below FAQ article for more:
https://ttlc.intuit.com/replies/4268797