Later, she conceived again and said, "This time my husband will become attached to me, now that I've borne him three sons." So he named him Levi.

Three days later, while they were still in pain, Jacob's sons Simeon and Levi, two of Dinah's brothers, each grabbed a sword and entered the city unannounced, intending to kill all the males.

Then Jacob told Simeon and Levi, "You have certainly stirred up trouble for me! You've made me despised by the Canaanites and the Perizzites who live in this territory. Because I have only a few men with me, they're going to gather themselves together and attack me until I am totally destroyed, along with my entire household!"

Leah's sons were Reuben (Jacob's first-born), Simeon, Levi, Judah, Issachar, and Zebulun.

Levi's sons Gershon, Kohath, and Merari;

"Simeon and Levi are brothers; their swords are violent weapons.