Sforno on Exodus 1:8/ספורנו על שמות א׳:ח׳

1A NEW KING AROSE OVER EGYPT, ETC. Even though there was certainly a recording of this in the royal chronicles, specifically with respect to the new legislation that he enacted, the possibility did not occur to the new king of his being from this people, or that it would be appropriate to accord recognition to his people on his account.