Philip the Arab and Christianity that appear—save for one reference to Ishmael—figure in the political history of the first three centuries of the Christian era. To Eusebius, the Saracens of the 4th century are direct-line descendants of the biblical Ishmaelites, descendants of the handmaid, Hagar, and the patriarch, Abraham. They are thus outcasts, beyond God's Covenant with the favored son of Abraham, Isaac. The twin images of the Ishmaelite and the Saracen—outcasts and "latrones", raiders of the frontiers—reinforce each other and give Eusebius' portrait of the Arab nation an unhappy color. He may have been reluctant to associate the first Christian emperor with a people
Abraham in Islam in Islamic text, such as the arguments between Abraham and the evil king, Nimrod, the near-sacrifice of his son, and the story of Hagar and Ishmael, which Muslims commemorate when performing pilgrimage in Mecca. An important Islamic religious holiday, Eid al-Adha, commemorates Abraham's willingness to sacrifice his son Ishmael as an act of obedience to God, before God intervened to provide him with a sheep to sacrifice instead. In some cases, some believe these legends in Islamic text may have influenced later Jewish tradition. Abraham in Islam Ibrahim (, ), known as Abraham in the Hebrew Bible, is recognized as