'In' and 'Sangu' (the Empress, the Dowager Empress, the Grand Dowager Empress) are collectively referred to as 'Ingu' and, further including dominant nobilities, temples and shrines, they were collectively termed Ingu oshinke.
「三宮」（后位）と総称して「院宮」といい、更に、有力貴族・寺社を含めた総称を院宮王臣家といった。