Sura al-Baqara 2:133

أَمْ كُنتُمْ شُهَدَآءَ إِذْ حَضَرَ يَعْقُوبَ ٱلْمَوْتُ إِذْ قَالَ لِبَنِيهِ مَا تَعْبُدُونَ مِنۢ بَعْدِى قَالُوا۟ نَعْبُدُ إِلَٰهَكَ وَإِلَٰهَ ءَابَآئِكَ إِبْرَٰهِـۧمَ وَإِسْمَٰعِيلَ وَإِسْحَٰقَ إِلَٰهًا وَٰحِدًا وَنَحْنُ لَهُۥ مُسْلِمُونَ

am kuntum shuhadāʾa idh ḥaḍara yaʿqūba l-mawtu idh qalā li-banīhi mā taʿbudūna min baʿdī qālū naʿbudu ilāhaka wa-ilāha ābāʾika ibrāhīma wa-ismāʿīla wa-isḥāqa ilāhan wāḥidan wa-naḥnu lahu muslimūna

Were ye witnesses when death appeared before Jacob? Behold, he said to his sons: "What will ye worship after me?" They said: "We shall worship Thy god and the god of thy fathers, of Abraham, Isma'il and Isaac,- the one (True) Allah: To Him we bow (in Islam)."