SOGA no Emishi and SOGA no Iruka, a father and a son, are said to have had a residence at the foot of the hill to show off their power before the Taika Reforms took place.
大化の改新以前に、蘇我蝦夷と蘇我入鹿の親子が権勢を示すために丘の麓に邸宅を構えていたという。