Today's date is: September 19, 2026
Genesis Chapter 21

Genesis Chapter 21 tells the story of the birth of Isaac, the sending away of Hagar and Ishmael, and Abraham's peace treaty with Abimelech.
The Birth of Isaac (Verses 1–7)
Genesis Chapter 21 records the fulfillment of God’s 25-year promise with the miraculous birth of Isaac, the painful expulsion of Hagar and Ishmael, and Abraham's peace treaty with Abimelech.
- Fulfillment of Promise:
God visits Sarah and enables her to bear a son when Abraham is 100 years old and Sarah is 90.
- Naming Isaac:
Abraham names his son Isaac, meaning "laughter", reflecting Sarah's joyous remark that God brought laughter to her.
- Covenant Sign:
Abraham obeys God by circumcising Isaac on the eighth day.
The Expulsion of Hagar and Ishmael (Verses 8–21)
- Conflict at Weaning:
Sarah sees Ishmael mocking or scoffing at Isaac during Isaac's weaning feast and demands Abraham banish Hagar and Ishmael.
- Divine Confirmation:
Abraham feels deep distress, but God tells him to listen to Sarah, confirming that the covenant line runs through Isaac while promising to make a great nation of Ishmael.
- Wilderness Rescue:
Sent away with minimal bread and water, Hagar and Ishmael face death in the desert of Beersheba.God hears Ishmael's cry and opens Hagar's eyes to a life-saving well.
The Treaty at Beersheba (Verses 22–34)
- Political Recognition:
Abimelech, king of Gerar, and his commander Phicol approach Abraham, recognizing that God is with him in all he does.
- Resolution of Dispute:
Abraham confronts Abimelech over a seized water well, sealing a formal non-aggression and ownership pact with gifts of seven ewe lambs.
- Worship:
Abraham names the site Beersheba (the well of the oath) and plants a tamarisk tree, calling upon the name of the Everlasting God.