When Sarah continued childless, she gave Hagar to Abraham, and Hagar became pregnant with Abraham’s child.
فَعِنْدَمَا رَأَتْ سَارَةُ أَنَّهَا لَنْ تَتَمَكَّنَ مِنَ ٱلْإِنْجَابِ ،‏ أَعْطَتْ هَاجَرَ لِإِبْرَاهِيمَ .‏