Rashi on Genesis
בת מי זהב THE DAUGHTER OF ME-ZAHAB — meaning מהו זהב what value has gold? He was so rich that gold had no value in his eyes (Genesis Rabbah 83:4).
Radak on Genesis
וימלוך תחתיו הדר...ושם אשתו וגו', we do not know why both his wife’s name and that of her father have been mentioned.