The chief of the Penobscot Nation, his two adult two sons and another tribal leader face assault charges for their involvement in a fight that broke out in the parking lot of a Bangor bar, authorities said. Around 12:20 a.m on Jan. 13, Chief Kirk Francis, 48, and his sons Kirk Francis Jr., 27, and Tannar Francis, 24, got into a fight with Robert Dana, 51, in the parking lot of the Penobscot Pourhouse at 14 Larkin St, said Bangor Sgt.