Report About Abdul Muttalib and Abu Talib

Narrated to us Ahmad bin Muhammad as-Saigh that he said: Narrated to us Muhammad bin Ayyub from Salih bin Asbat from Ismail bin Muhammad; and Ali bin Abdullah from Rabi bin Muhammad Musalli from Saad bin Tareef from Asbagh bin Nubatah that he said: I heard Amirul Momineen عليه السلام say:
  “By Allah, my father, my grandfather Abdul Muttalib, Hashim and Abde Manaf never worshipped idols. He was asked: Then what did they worship? He replied: They used to face the Kaaba and pray according to the religion of Ibrahim عليه السلام and they followed only that faith.”