Maybe, but there are two possible disqualifiers; income and support.
Qualifying relative
Here is a checklist for determining whether a relative qualifies.
My mother was in assistant living facility , and I took care of the rent and all food and clothing and over the counter medication her insurance did not cover. Can I count her as a Dependent since I paid more than half of her expenses? she did not live with me and she had ss benefits more than 4300? She could not live with me as she needed 24 / 7 care