Musnad Ahmad 5:701

'Abdullah narrated to us, 'Amr ibn Muhammad al-Naqid narrated to me, 'Amr ibn 'Uthman al-Raqqi narrated to us, Hafs Abu 'Umar narrated to us, from Kathir ibn Zadhan, from 'Asim ibn Damrah, from 'Ali, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Whoever reads the Quran and memorizes it, he will intercede for ten of his household members for whom the Fire has become mandatory."