16:1Now Sarai Abram's wife bare him no children: and she had an handmaid, an Egyptian, whose name was Hagar.
16:2And Sarai said unto Abram, Behold now, the LORD hath restrained me from bearing: I pray thee, go in unto my maid; it may be that I may obtain children by her. And Abram hearkened to the voice of Sarai.
16:6But Abram said unto Sarai, Behold, thy maid is in thy hand; do to her as it pleaseth thee. And when Sarai dealt hardly with her, she fled from her face.
30:3And she said, Behold my maid Bilhah, go in unto her; and she shall bear upon my knees, that I may also have children by her.
30:9When Leah saw that she had left bearing, she took Zilpah her maid, and gave her Jacob to wife.