Divisions named after names of kings (princes), such as osakabe and nukatabe, which were a kind of shinabe controlled by the tomonomiyatsuko, with a characteristic that they particularly belonged to the royal families.
刑部（おさかべ）・額田部（ぬかたべ）など、王（宮）名のついた部のことで、伴造に統括される一種の品部であるが、特に王家・王族の所有である点が特徴である。