NET
16 and called David’s enemies to account.” So Jonathan made a covenant with the house of David.
Darby
16 And Jonathan made [a covenant] with the house of David, [saying,] Let Jehovah even require [it] at the hand of David's enemies!
KJV
16 So Jonathan made [a covenant] with the house of David, [saying], Let the LORD even require [it] at the hand of David's enemies.