Esau hated Jacob because of the blessing with which his father blessed him. Esau said in his heart, "The days of mourning for my father are at hand. Then I will kill my brother Jacob."
TSK
TSK · Proverbs 18:19
Treasury of Scripture Knowledge references in WEB.
Now Israel loved Joseph more than all his children, because he was the son of his old age, and he made him a coat of many colors.
They saw him afar off, and before he came near to them, they conspired against him to kill him.
Absalom commanded his servants, saying, "Mark now, when Amnon's heart is merry with wine; and when I tell you, 'Strike Amnon,' then kill him. Don't be afraid. Haven't I commanded you? Be courageous, and be valiant!"
When all Israel saw that the king didn't listen to them, the people answered the king, saying, "What portion have we in David? Neither do we have an inheritance in the son of Jesse. To your tents, Israel! Now see to your own house, David." So Israel departed to their tents.
a false witness who utters lies, and he who sows discord among brothers.
Then the contention grew so sharp that they separated from each other. Barnabas took Mark with him, and sailed away to Cyprus,