Genesis 16:2 And 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. 10 I MC VC

Genesis 30:3 And 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. 10 I MC VC