Moses
Genesis 26:34BSB·traditional attribution

When Esau was forty years old, he took as his wives Judith daughter of Beeri the Hittite and Basemath daughter of Elon the Hittite.

John Calvin Reformed @genevareformer

34. And Esau was forty years old. For many reasons Moses relates the marriages of Esau. Inasmuch as he mingled himself with the inhabitants of the land, from whom the holy race of Abraham was separated, and contracted affinities by which he became entangled; this was a kind of prelude of his rejection.

Matthew Henry Presbyterian @wholebiblehenry

Here is, 1. Esau's foolish marriage - foolish, some think, in marrying two wives together, for which perhaps he is called a fornicator (Heb 12:16), or rather in marrying Canaanites, who were strangers to the blessing to Abraham, and subject to the curse of Noah, for which he is called profane; for hereby he intimated that he neither desired the blessing nor dreaded the curse of God. 2.

Commenting on Genesis 26:34-35

Jamieson-Fausset-Brown Reformed @jfbcommentary

Esau . . . took to wife--If the pious feelings of Abraham recoiled from the idea of Isaac forming a matrimonial connection with a Canaanitish woman [Gen 24:3], that devout patriarch himself would be equally opposed to such a union on the part of his children; and we may easily imagine how much his pious heart was wounded, and the family peace destroyed, when his...