Jannes

Easton's Bible Dictionary (1897)

One of the Egyptians who “withstood Moses” (2 Tim. 3:8).

Smith's Bible Dictionary (1863)

and Jam’bres, the names of two Egyptian magicians who opposed Moses. Exod 7:9-13; 2Tim 3:8,9. (B.C. 1492.)

Public domain dictionaries.