Quran 51:29 · Adh-Dhariyat

In these verses that scene has been described in which angels came to Abraham in order to give him the good news of his having children in his old age. Abraham was born in ancient Iraq. For a long time he preached to his people about the Unity of God and the Hereafter. But, except for his wife and nephew, Lot, nobody was ready to accept his word, until he reached old age. Now, in order to ensure the continuance of his mission, the second alternative was that he should have children who should be properly brought up by him. There is a blood relationship between father and son, which is a powerful factor in keeping a son attached to his father and make him like-minded whatever the conditions. Almighty God granted Abraham two sons in his old age. One was Isaac (Ishaq), through whom the preaching of the Unity of God continued among the Children of Israel. The second was Ishmael (Isma‘il), through whom a race was brought into being which was to support the Last of the Prophets in fulfilling his historic mission.