Luke
Acts 7:21ESV·traditional attribution

and when he was exposed, Pharaoh’s daughter adopted him and brought him up as her own son.

Matthew Henry Presbyterian @wholebiblehenry

Stephen here goes on to relate, I. The wonderful increase of the people of Israel in Egypt; it was by a wonder of providence that in a little time they advanced from a family into a nation. 1. It was when the time of the promise drew nigh - the time when they were to be formed into a people.

Commenting on Acts 7:17-29

John Gill Reformed Baptist @doctorgill

And when he was cast out,.... Into the river, or by the river, as some copies read; the Syriac version adds, by his own people; by his father and mother and sister; who might be all concerned in it, and were privy to it; and which was done after this manner; his mother perceiving she could keep him no longer, made an ark of bulrushes...

Albert Barnes Presbyterian @notesbybarnes

Verse 21. Was cast out. When he was exposed on the banks of the Nile, . And nourished him. Adopted him, and treated him as her son, . It is implied in this, that he was educated by her. An adopted son in the family of Pharaoh would be favoured with all the advantages which the land could furnish for an education. (e) "nourished him"