Among the examples of shisei (conferring a surname) to barbarians found in Rikkokushi (the Six National Histories), there is a record that the Kimiko clan was given the Muraji of Mononobe no Shiwa.
六国史に散見する俘囚への賜姓例の中には、吉弥候氏が物部斯波連を賜ったという記録も見える。