Genesis 21:10-12

MSB(i) 10 and she said to Abraham, “Expel the slave woman and her son, for the slave woman’s son will never share in the inheritance with my son Isaac!” 11 Now this matter distressed Abraham greatly because it concerned his son Ishmael. 12 But God said to Abraham, “Do not be distressed about the boy and your maidservant. Listen to everything that Sarah tells you, for through Isaac your offspring will be reckoned.