Minamoto no Yoritomo By zachyboi2005 1147 born 1159 Sent to exile when he was 12 after his clan (Minamoto) was defeated in battle by the Tara clan Period: 1159 to 1192 killed several family members whom he saw as potential threats to his power Period: 1179 to 1199 married He married Hōjō Masako 1185 Gave his followers power to govern the provinces (feudal system) 1185 He established government at Kamakura 1192 Named first Shogun by the Emperor 1199 died