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
Ishmael upon my misery'". Ishmael is recognized as an important prophet and patriarch of Islam. Muslims believe that Ishmael was the firstborn of Abraham, born to him from his second wife Hagar. Ishmael is recognized by Muslims as the ancestor of several prominent Arab tribes and being the forefather of Muhammad. Muslims also believe that Muhammad was the descendant of Ishmael that would establish a great nation, as promised by God in the Old Testament. Ishmael is mentioned over ten times in the Quran, often alongside other patriarchs and prophets of ancient times. Ishmael is mentioned together with Elisha and Dhul-Kifl