2 so she said to Abram, “The LORD has kept me from having children. Go, sleep with my slave; perhaps I can build a family through her.” Abram agreed to what Sarai said.
3 So after Abram had been living in Canaan ten years, Sarai his wife took her Egyptian slave Hagar and gave her to her husband to be his wife.
4 He slept with Hagar, and she conceived. When she knew she was pregnant, she began to despise her mistress.