Exodus 2:7

5 And the daughter of Pharaoh came down to wash at the river; and her maidens walked along by the river's side; and when she saw the ark among the flags, she sent her maid to fetch it.

6 And when she had opened , she saw the child: and, behold, the babe wept. And she had compassion on him, and said, This of the Hebrews' children.

7 Then said his sister to Pharaoh's daughter, Shall I go and call to you a nurse of the Hebrew women, that she may nurse the child for you?

8 And Pharaoh's daughter said to her, Go. And the maid went and called the child's mother.

9 And Pharaoh's daughter said unto her, Take this child away, and nurse it for me, and I will give your wages. And the woman took the child, and nursed it.