Damien F. Mackey
According to my article:
the Pharaoh before whom Joseph stood (Genesis 41:46) was a combination of
Djoser (Zoser) 3rd dynasty
Djedkare Isesi 5th dynasty
Mentuhotep II 11th dynasty
who, commonly, celebrated a Heb-Sed (Jubilee) festival, indicating a long reign.
Djedkare Isesi’s Heb-Sed:
Alabaster vase bearing an inscription celebrating the first occasion of the Sed festival of Djedkare Isesi. Musee du Louvre E5323.
Mentuhotep II’s Heb-Sed:
Statue of King Mentuhotep II in the Jubilee Garment