وَوَهَبْنَا لَهُ إِسْحَـقَ وَيَعْقُوبَ نَافِلَةً
(And We bestowed upon him Ishaq, and (a grandson) Ya`qub) (21:72), thus, indicating that this occurred during Ibrahim's lifetime. Also, Jacob built Bayt Al-Maqdis, as earlier books testified. The Two Sahihs recorded that Abu Dharr said, â€I said, `O Messenger of Allah! Which Masjid was built first' He said, (Al-Masjid Al-Haram (Al-Ka`bah).) I said, `Then' He said, (Bayt Al- Maqdis.) I said, `How many years later' He said, (Forty years. )'' Further, the advice that Jacob gave to his children, which we will soon mention, testifies that Jacob was among those who received the advice mentioned in Ayat above (2:130-132).  Allah said,