بسم الله الرحمن الرحيم
It is lawful for you to take zakah money if you are eligible to receive zakah. After taking zakah you are free whether you spend it on yourself or on your family, there is no harm in it.
Allah knows Best!
Darul Uloom Deoband
This answer was collected from the official ifta website of Darul Uloom Deoband in India.