Who is The Thompson Brothers from Flashman & the Angel of the Lord: From the Flashman Papers, 1858-59 and what is their importance? "Flashman_&_the_Angel_of_the_Lord:_From_the_Flashman_Papers

The Thompson Brothers were members of John Brown's "Pet Lambs". Bill was seized under a white flag and held for either hanging or burning by the mob. He loudly proclaimed his willingness to die in order to set millions free, and he was dragged to the bridge and shot point-blank. Dauphin is killed in the same raid.