This meant giving Tadahiko the position title of a retainer of miyake (house of an imperial prince), and reportedly it was done to provide convenience to Tadahiko when he visited temples and shrines and old families in various places for collection of historical materials.
これは宮家家臣の肩書きを与える事で、忠彦が史料収集で各地の寺社旧家等を訪ねる際に便宜を図るためであったと伝えられる。