Genesis 16:2-3
16:2 So Sarai said to Abram, “Since the Lord has prevented me from having children, have sexual relations with my servant. Perhaps I can have a family by her.” Abram did what Sarai told him.
16:3 So after Abram had lived in Canaan for ten years, Sarai, Abram’s wife, gave Hagar, her Egyptian servant, to her husband to be his wife.
Genesis 16:5-6
16:5 Then Sarai said to Abram, “You have brought this wrong on me! I allowed my servant to have sexual relations with you, but when she realized that she was pregnant, she despised me. May the Lord judge between you and me!”
16:6 Abram said to Sarai, “Since your servant is under your authority, do to her whatever you think best.” Then Sarai treated Hagar harshly, so she ran away from Sarai.
Genesis 16:8
16:8 He said, “Hagar, servant of Sarai, where have you come from, and where are you going?” She replied, “I’m running away from my mistress, Sarai.”