Exodus 2:5

And the daughter of Pharaoh came down to wash herself 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.

Cross-reference

Acts 7:21 confirms that Pharaoh's daughter adopted Moses as her son, completing the rescue begun in Exodus 2:5.

Proverbs 21:1 says the king's heart is turned by God—Pharaoh's daughter's decision to rescue Moses exemplifies this.