Sethites, or SETHIANS, a division of the Ophites (q.v.), described by Hippolytus, and so called either from the part played by Seth in their cosmogony or from the fact that their doctrines were taught in a book bearing the name of Seth.
Sethites
Chambers's Encyclopaedia, Volume 9: Bound to Swansea, p. 330
Source scan(s): p. 0343