Genesis 19:37

19:37 The older daughter gave birth to a son and named him Moab. He is the ancestor of the Moabites of today.

Genesis 27:15

27:15 Then Rebekah took her older son Esau’s best clothes, which she had with her in the house, and put them on her younger son Jacob.

Genesis 29:27

29:27 Complete my older daughter’s bridal week. Then we will give you the younger one too, in exchange for seven more years of work.”