Patriarch in Genesis (5)
(Other definitions for jacob that I've seen before include "Name of patriarch" , "Fellow" , "A son of Isaac (Bible)" , "Biblical son of Isaac" , "Esau's twin brother" .)
(Other definitions for enoch that I've seen before include "-- Powell, former politician" , "OT patriarch" , "Father of Methuselah" , "Man in Bible" , "Cain's eldest son - Methuselah's father" .)