And Joab sent to Tekoa and brought from there a wise woman, and said to her, “Please pretend to be a mourner, and put on mourning apparel; do not anoint yourself with oil, but act like a woman who has been mourning a long time for the dead.
Then David said to Joab and to all the people who were with him, “Tear your clothes, gird yourselves with sackcloth, and mourn for Abner.” And King David followed the coffin.
So Esau hated Jacob because of the blessing with which his father blessed him, and Esau said in his heart, “The days of mourning for my father are at hand; then I will kill my brother Jacob.”
Then they came to the threshing floor of Atad, which is beyond the Jordan, and they mourned there with a great and very solemn lamentation. He observed seven days of mourning for his father.
Then David said to the messenger, “Thus you shall say to Joab: ‘Do not let this thing displease you, for the sword devours one as well as another. Strengthen your attack against the city, and overthrow it.’ So encourage him.”