Some documents called him Funabashi Daigeki (Senior Outer Clerk) Nobukata because the name of family was changed from Kiyohara to Funabashi by Hidekata who was the fourth generation of the Kiyohara family.
なお、清原家は四代後の秀賢から舟橋家を称したため、清原宣賢を船橋大外記宣賢と記した史料もある。