sethian

A member of an ancient Christian Gnostic sect who venerated the Biblical Seth, third son of Adam and Eve, depicted in their creation myths as a divine incarnation.

Of or relating to the Sethians

Of or relating to the Egyptian god Set

But if these hippopotami are Sethian, how could Apophis, a professed follower of Seth, allow this to go on in his own city of Avaris?

At any rate this shows that Sekhemib-Peribsen certainly did not pass into history as a Sethian schismatic or heretic.