It is narrated from Sayyiduna Salman bin Amir al-Dabbi (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Charity to a close relative (or he said: to a relative) is two charities, and charity to the poor is one charity."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6183