Akitaka assigned his illegitimate children to new territories and they were referred to as 'Shizukuishi-gosho' and 'Isari-gosho' deriving from the names of the places they inhabited.
詮高は庶子を新領に配置し、それらは居館の地名から「滴石御所」、「猪去御所」と呼ばれる。