Genesis 21:8-10

Complete Jewish Bible

⁸ The child grew and was weaned, and Avraham gave a great banquet on the day that Yitz’chak was weaned. ⁹ But Sarah saw the son of Hagar the Egyptian, whom Hagar had borne to Avraham, making fun of Yitz’chak; ¹⁰ so Sarah said to Avraham, “Throw this slave-girl out! And her son! I will not have this slave-girl’s son as your heir along with my son Yitz’chak!”