Genesis 30:3
Then she said, Here is my servant Bilhah, go in to her, so that she may have a child on my knees, and I may have a family by her.
Genesis 50:23
And Joseph saw Ephraim's children of the third generation: and the children of Machir, the son of Manasseh, came to birth on Joseph's knees.
Job 3:12
Why did the knees take me, or why the breasts that they might give me milk?
Genesis 16:2-3
And Sarai said to Abram, See, the Lord has not let me have children; go in to my servant, for I may get a family through her. And Abram did as Sarai said.
Genesis 30:9
When it was clear to Leah that she would have no more children for a time, she gave Zilpah, her servant, to Jacob as a wife.
Ruth 4:11
And all the people who were in the public place, and the responsible men, said, We are witnesses. May the Lord make this woman, who is about to come into your house, like Rachel and Leah, which two were the builders of the house of Israel: and may you have wealth in Ephrathah, and be great in Beth-lehem;