1 Kings 2:8-9

And there is also with you a Shimei the son of Gera, the Benjaminite from Bahurim, who cursed me with a grievous curse on the day b when I went to Mahanaim. c But when he came down to meet me at the Jordan, I swore to him by the  Lord, saying, ‘I will not put you to death with the sword.’ Now therefore do not hold him guiltless d for you are a wise man. You will know what you ought to do to him, and you shall e bring his gray head down with blood to Sheol.”

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