Genesis 16:3-4

New American Standard Bible

³ And so after Abram had lived ^(A)ten years in the land of Canaan, Abram’s wife Sarai took Hagar the Egyptian, her slave woman, and gave her to her husband Abram as his wife. ⁴ Then he had relations with Hagar, and she conceived; and when Hagar became aware that she had conceived, her mistress was insignificant in her sight.