Get your taxes done using TurboTax

You don't include their income on your return. It would only go on their return if they are required to file one.  If their only income is W2 and under 13,850 they do not have to file a return except to get back any withholding taken out.

Filing requirements for a dependent

https://ttlc.intuit.com/community/children-dependents/help/do-i-need-to-file-my-own-taxes-if-i-m-a-d...