Now I have told him that I am about to judge his house forever for the sinful behavior which he knew [was happening], because his sons were bringing a curse on themselves [dishonoring and blaspheming God] and he did not rebuke them.

And he said, "What [is] the message that he spoke to you? Please do not conceal [it] from me. May God {punish you severely} if you conceal anything from me of all the words that he told you."

Saul declared to him, “May God punish me and do so severely if you do not die, Jonathan!”

Thus says the Lord of hosts (armies), ‘I will punish Amalek for what he did to Israel, how he set himself against him on the way when Israel came up from Egypt.

{So may Yahweh punish Jonathan and more} if {my father decides to do you harm} and if {I fail to disclose it to you} and send word to you that you can go safely. And may Yahweh be with you, as he has been with my father.

Jonathan made a covenant with the house of David: "May the LORD punish any violation of this covenant by the hand of David's enemies."

{May God severely punish the enemies of David} and again do thus if I leave behind {anything that is his} until the morning, [not even] {one male}!"