Genesis 49:5

And it came to pass on the third day, when they were in pain, that two of the sons of Jacob Simeon and Levi, Dinah's brothers, took each man his sword, and came in upon the city, boldly, - and slew every, male;

Of the sons of Simeon, in their pedigree by their families by their ancestral houses, - such as were numbered of him, in the counting of names by their polls, every male from twenty years old and upwards, every one able to go forth to war;