Yes, if you provide
over 50% of their care. To verify with
certainty, please visit the IRS site; Who Can I Claim
As A Dependent. Once on the site you
will complete an interactive anonymous questionnaire which will let you know if
they are your dependent. In regards to
their social security, if $5000 / year, it will not be taxed. Please use the Turbo Tax FAQ video for more
information.
https://ttlc.intuit.com/replies/3299920