Abraham (originally Abram) is a man in the Book of Genesis and the Qur'an. There, he is said to be the father of all Jews. This is because he is their ancestor. Abraham is part of the Jewish, Christian and Islamic religions. Abraham is considered the father of these three religions, which are called Abrahamic religions.

Abraham is the father of Isaac with his wife Sarah. He also has Ishmael with Hagar, Sarah's handmaid, and he has other children with Keturah, whom he marries after Sarah's death. He is the grandfather of Jacob and Esau. Abraham is believed to be the founding patriarch of the Israelites, Ishmaelites and Edomites. Abraham was the third son of Terah and the grandson of Nahor (son of Serug). Abraham's older brothers were named Nahor (son of Terah) and Haran.