ויקברו אתו יצחק וישמעאל בניו
Rashi quotes Chazal in the Talmud Bava Basra 16b, who derive from the above pasuk which places Yitzchak before Yishmael that Yishmael repented his ways. The errant son told Yitzchak to precede him. This display of respect is an indicator of Yishmael’s spiritual well-being, resulting from his repentance. Apparently, the fact that Yishmael had come from a distance to attend the funeral was not a strong enough indication that he had changed. It was the fact that he allowed his younger brother, the one who “replaced” him as Avraham Avinu’s “son,” to precede him that serves as a proof of…
