Genesis 21:9-21

9But Sarah asaw the son of Hagar the Egyptian, whom she had borne to Abraham, blaughing.
Possibly  laughing in mockery
10So she said to Abraham, d“Cast out this slave woman with her son, for the son of this slave woman shall not be heir with my son Isaac.” 11And the thing was very displeasing to Abraham on account of his son. 12But God said to Abraham, “Be not displeased because of the boy and because of your slave woman. Whatever Sarah says to you, do as she tells you, for ethrough Isaac shall your offspring be named. 13And I will make fa nation of the son of the slave woman also, because he is your offspring.” 14So Abraham rose early in the morning and took bread and a skin of water and gave it to Hagar, putting it on her shoulder, along with the child, and sent her away. And she departed and wandered in the wilderness of gBeersheba.

15When the water in the skin was gone, she put the child under one of the bushes. 16Then she went and sat down opposite him a good way off, about the distance of a bowshot, for she said, “Let me not look on the death of the child.” And as she sat opposite him, she lifted up her voice and wept. 17And God heard the voice of the boy, and the angel of God called to Hagar from heaven and said to her, “What troubles you, Hagar? Fear not, for God has heard the voice of the boy where he is. 18Up! Lift up the boy, and hold him fast with your hand, for I will make him into a great nation.” 19Then hGod opened her eyes, and she saw a well of water. And she went and filled the skin with water and gave the boy a drink. 20And God was with the boy, and he grew up. He lived in the wilderness iand became an expert with the bow. 21He lived in the wilderness of Paran, and his mother took a wife for him from the land of Egypt.

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