Genesis 34:26 (BSB)

They killed Hamor and his son Shechem with their swords, took Dinah out of Shechem’s house, and went away.

From Genesis 34. Also in the ESV.

Commentary on Genesis 34:26

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Genesis 34:25-31: Here, we have Simeon and Levi, two of Jacob's sons, young men not much above twenty years old, cutting the throats of the Shechemites, and thereby breaking the heart of their good father. I. Here is the barbarous murder of the Shechemites.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Genesis 34:26: The sons of Jacob came upon the slain,.... That is, the rest of them, as the Targum of Jonathan paraphrases it; understanding what their two brothers had done, they came and joined them, and partook of stripping the slain of their clothes, or from them what they found of any worth about them: and spoiled the city; plundered it of all its goods and substance...
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Genesis 34:25-29: Gen 34:25-29 But on the third day, when the Shechemites were thoroughly prostrated by the painful effects of the operation, Simeon and Levi (with their servants of course) fell upon the town בּטח (i.e., while the people were off their guard, as in Eze 30:9), slew all the males, including Hamor and Shechem, with the edge of the sword, i.e., without quarter (Num 21:24; Jos...