The children of Hazrat Ishaq are called as Bani-Isra’il. It is an Arabic term. From Prophet Ishaq, the tribe of Bani Isra’iloriginated. Prophet Ishaq had a son named Prophet Yaakob. According to the Quran (Surah Yusuf: 4), Prophet Yaakob had 12 sons. The 12 sons of Prophet Yaakob gave birth to 12 tribes of Bani Isra’il.
˹Remember˺ when Joseph said to his father, “O my dear father! Indeed I dreamt of eleven stars, and the sun, and the moon—I saw them prostrating to me!”
(Surah Yusuf: 4)