CHARITY TO ONE'S FAMILY H 293 "When a person spends on his wife and children hoping for a reward, it is a charitable act." R 293 Bukhari and Muslim with a chain up to Abu Mas'ud Badri who related that the Messenger of Allah, praise and peace be upon him, said this.
293- وعن أَبي مسعود البدري رضي الله عنه ، عن النَّبيّ صلى الله عليه وآله وسلم ، قَالَ : "إِذَا أنْفَقَ الرَّجُلُ عَلَى أَهْلِهِ نَفَقَةً يَحْتَسِبُهَا فَهِيَ لَهُ صَدَقَةٌ" مُتَّفَقٌ عَلَيهِ .