As Itsu followed the edict in April by conducting an exhaustive investigation into the yohoro (people liable to be in corvee service in early times) where he established registers and organized farmland registers, the emperor granted him the family name Shirai no Fuhito as a reward for his achievement and appointed him as tazukai (a superintendent of the miyake) ("Nihonshoki" [Chronicles of Japan]).
4月になって、膽津は詔に述べられているとおりによく丁（よほろ）を調査して籍を定め、田戸を編成したので、その功をほめて白猪史（しらいのふひと）の姓を賜い、田令（たづかい）に任じた（『日本書紀』）。