The answer is: Simeon and Levi

Gen 34:25-26

In the story of Jacob's sons, we witness a compelling blend of favoritism, violence, and familial bonds. Simeon and Levi decided to take matters into their own hands when their sister Dinah was mishandled by Shechem. It's fascinating to note that this narrative highlights not just an immediate emotional response, but also a significant turning point in the family's dynamics.

When Jacob and his sons were approached with a marriage proposal, it included the promise of circumcision for the men of Shechem, which was a significant and almost irreversible commitment. While Shechem's hope appeared genuine, Levi and Simeon's action turned it dark—using the advantage of their opponents when they were still vulnerable post-operation. They took swift and lethal revenge, slaughtering every male in the city, leaving a profound impact not just on their father Jacob but also setting a complex moral undertone about justice and brotherhood in their family.

Interestingly, this moment indicates deep familial ties and calls into question notions of loyalty and righteousness in dire circumstances. It opens a pathway for discussions around the interpretation of violence and revenge in communities that say they are acting for their loved ones.

This story resonates beyond its immediate implications, showing how narratives can reflect intense human emotions like rage, loyalty, and the decisions made in pressures of societal expectation, reminding readers that deeper principles often roll into every family legacy we encounter in scripture.