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 Jacob and Ishmael. In the later chapters of the Quran, Abraham's role becomes yet more prominent. The Quran mentions that Abraham and Ishmael were the reformers who set up the Ka‘bah in Mecca as a center of pilgrimage for monotheism The Quran consistently refers to Islam as "the Religion of Abraham" ("millat Ibrahim") and Abraham is given a title as "Hanif" ("The Pure", "true in Faith" or "upright man"). The Quran also mentions Abraham as one whom God took as a friend ("Khalil"), hence Abraham's title in Islam, "Khalil-Allah" ("Friend of God"). The term is considered by some to be