Jonathan struck the garrison of the Philistines that was in Geba: and the Philistines heard of it. Saul blew the trumpet throughout all the land, saying, Let the Hebrews hear.
The first problem is Saul’s age when he began to reign. No other text of Scripture gives us his age at this time. The NASB translators have supplied "40" and the NIV and NET translators "30." The AV translators wrote, "Saul [was . . . years old]," leaving the number undefined.