Moses
Genesis 21:21ESV·traditional attribution

He lived in the wilderness of Paran, and his mother took a wife for him from the land of Egypt.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The casting out of the bond-woman, and her son from the family of Abraham, Gen 21:14. Abraham's obedience to the divine command in this matter was speedy - early in the morning, we may suppose immediately after he had, in the night's visions, received orders to do this.

Commenting on Genesis 21:14-21

John Gill Reformed Baptist @doctorgill

And it came to pass at that time,.... Not when Ishmael was grown up and married, but when Isaac was weaned and Ishmael was expelled: that Abimelech, and Phichol, the chief captain of his host, spake unto Abraham; Abimelech was king of Gerar, the same that is spoken of in the preceding chapter, and Phichol was the general of his army; these two great personages...

Jamieson-Fausset-Brown Reformed @jfbcommentary

EXPULSION OF ISHMAEL. (Gen 21:14-21) Abraham rose up early, &c.--early, that the wanderers might reach an asylum before noon. Bread includes all sorts of victuals--bottle, a leathern vessel, formed of the entire skin of a lamb or kid sewed up, with the legs for handles, usually carried over the shoulder.

Commenting on Genesis 21:14-21