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 theophoric name translated literally as "God (El) has hearkened", suggesting that "a child so named was regarded as the fulfillment of a divine promise". "This is the account of Ishmael from " In , the birth of Ishmael was planned by the Patriarch Abraham's first wife, who at that time was known as Sarai. She and her husband Abram (Abraham) sought a way to have children in order to fulfill the Abrahamic covenant that was established in . Sarai was 75 years old and had yet to bear Abraham a child. She had the idea to offer her Egyptian handmaiden