Goliath
Goliath is described in the biblical Book of Samuel as a Philistine giant defeated by the young David in single combat. The story signified Saul's unfitness to rule, as Saul himself should have fought for the Kingdom of Israel.
Jabesh-Gilead
books of Samuel, in the book of Chronicles, and in the Book of Judges. Jabesh Gilead is primarily mentioned in connection with King Saul's and King David's battles against the Philistines and Ammonites.