Complex sentence: This mass assumption undoubtedly originated from the likes of men such as Crawford, who claimed to have received confessions from those associated with Darnley's murder prior to their executions that stated that the queen would never let Bothwell rest until Darnley was dead and gone.
Split into simpler sentences: This mass assumption undoubtedly originated from the likes of men such as Crawford. Crawford claimed to have received confessions from those associated with Darnley's murder prior to their executions that stated that the queen would never let Bothwell rest until Darnley was dead and gone.