Genesis 21:10
therefore she said unto Abraham, Cast out this bondwoman and her son: for the son of this bondwoman shall not be heir with my son, with Isaac.
ā The Restored Word Bible
Context
8 And the child grew, and was weaned: and Abraham made a great feast the day that Isaac was weaned.
9 And Sarah saw the son of Hagar the Egyptian, which she had born unto Abraham, mocking.
10 therefore she said unto Abraham, Cast out this bondwoman and her son: for the son of this bondwoman shall not be heir with my son, with Isaac.
11 And the thing was very grievous in Abraham's sight because of his son.
12 And Elohim said unto Abraham, Let it not be grievous in your sight because of the lad, and because of your bondwoman; in all that Sarah has said unto you, hearken unto her voice; for in Isaac shall your seed be called.