Sayyiduna Salman bin Amir al-Dabbi (may Allah be pleased with him) narrates: I heard the Messenger of Allah (peace and blessings be upon him) say: "Your charity to a Muslim is charity, and to a relative it is two things: charity and the maintaining of family ties."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6180