The answer is: Simeon and Levi

Gen 34:25-26

Jacob's sons Simeon and Levi certainly took matters into their own hands when they avenged their sister Dinah's dishonor. In Genesis 34, after Shechem, the son of Hamor, violated Dinah, her brothers devised a plan that highlights the complicated nature of justice in ancient times. What’s fascinating about their decision to take revenge is the entire context of their actions, arguing that it reflects not only a desire for retribution but also a stand for family honor that was highly valued in their culture.

When they negotiated with the men of Shechem, they deceived them by proposing circumcision as a condition for marrying Dinah, knowing that once the men were weakened after the procedure, they would be vulnerable. Then, they struck when the men of Shechem were in their most defenseless state. This act aligns with various other stories in the Bible where family loyalty and righteousness can lead to violent retribution—a persistent theme, offering echoes to later events like the zealous acts of Phinehas in Numbers 25.

In addition, some scholars note the broader implications of this story. Levi later became the priestly tribe, signifying how his violent loyalty had lasting consequences. Not to mention, there’s an interesting historical thread here; revenge in this manner parallels tensions seen throughout Israel's tumultuous history, pointing to later calls for peace and reconciliation after cycles of violence. Isn’t it curious how this gripping story sets precedence in the realm of how humanity approaches justice today?