It is narrated from Sayyidah Umm Salamah (may Allah be pleased with her); she said: the Messenger of Allah (peace and blessings be upon him) ordered (people) to give charity, so Sayyidah Zaynab, the wife of Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with them both), said: "Will I receive the reward of charity if I give charity to my husband, who is poor, and to my orphaned nephews, on whom I spend in any case?" He (peace and blessings be upon him) said: "Yes." And she was skilled in handicraft.
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 20103