Reference: http://www.alfawzan.af.org.sa/node/16075
Question: What is better: [is it] to give zakaah to poor and needy relatives whom I am not financially responsible for, or that I give it to the poor and needy neighbour?
Response: The relatives are more worthy; those relatives who are in need are more worthy of that [zakaah], because they qualify for [receiving] charity, as well as their ties of kinship [with you].