At the end of the First Wizarding War Bellatrix, Rodolphus Lestrange (husband), Rabastan Lestrange (brother-in-law), and Barty Crouch Jr. took part in the torture of Aurors Frank and Alice Longbottom to the point of driving them insane, while searching for information on Lord Voldemort after his first downfall.he Dark Mark, a symbol of fear during the First Wizarding War. When the First Wizarding War broke out, Bellatrix and her husband Rodolphus both fought for Voldemort 's Death Eaters, and remained loyal to Voldemort throughout the wizarding war and even after he was defeated by Harry Potter.