17:21 But I will establish my covenant with Isaac, whom Sarah will bear to you at this set time next year.”
21:12 But God said to Abraham, “Do not be upset 1 about the boy or your slave wife. Do 2 all that Sarah is telling 3 you because through Isaac your descendants will be counted. 4 21:13 But I will also make the son of the slave wife into a great nation, for he is your descendant too.”