The second part corresponds to the generations between Tohi the 20th and Shoni the 24th, the era of leader of amabe (a legion of male divers) when the family was created kabane 'atai' and called 'Amabe-no-atai,' served as tomonomiyatsuko (the chief of various departments at the Imperial Court), and led amabe in Tanba Province (Tango Province was also included at that time).
第20世都比から第24世勲尼までの、「海部直」の姓を持ち、伴造として丹波国（当時は丹後国を含んでいた）の海部（海人集団）を率いていたと思われる海部管掌時代。