But the king spared Mephibosheth, the son of Jonathan the son of Saul, because of the LORD’s oath that [was] between them, between David and Jonathan the son of Saul.
Jewish Publication Society of America Version (JPS1917) - 2 Samuel 21:7 >But the king spared Mephibosheth, the son of Jonathan the son of Saul, because of the LORD'S oath that was between them, between David and Jonathan the son of Saul.