Webat the very top of the family tree is the kamado family ancestor sumiyoshi kamado (hirofumi nojima). First appearing in season 3, the swordsmith village arc,. Webone such slayer is tanjiro kamado, who became a demon slayer to find the entity responsible for killing his family and turning his sister nezuko into a demon. Webdemon slayer always hints at some connection between yoriichi and the kamado family. However, season 3 reveals the true reason behind tanjiro’s similarities with yoriichi. The kamado family's tragedy set the stage for tanjiro's journey of vengeance and nezuko's transformation into a unique and hopeful demon. All members of the kamado family in the kimetsu no yaiba series. Webno, kokushibo is not tanjiro’s father. In fact, he is not related to tanjiro at all. Since tanjiro has absolutely no blood relation to yoriichi, he can’t be related to. Webwhy are tanjiro’s hanafuda earrings important in demon slayer? Since he had no descendants, yoriichi passed not only his earrings to his friend, tanjiro’s. Webin the very first episode of the series, tanjiro's mother, brothers and younger sister are all killed by the demon muzan. Despite being deceased, the family members.