From Seskos book:
SADAHIDE (貞秀), Ansei (安政, 1854-1860), Settsu –
“Settsu no Kuni Sadahide” (摂津国貞秀), “Sesshū
Amagasaki-jū Sugimoto Hironoshin Sadahide” (摂州尼ケ崎杉本広之進貞秀), real name Sugimoto Hironoshin
(椙本広之進), he also signed the character for “Sugi” (椙) in the variant (杉), he used the gō Unsenshi (雲仙子) and it is
said that he was the son of a certain Kido Yoshizō Unsen (城戸吉蔵雲仙), he came originally from Dewa province
where he signed according to tradition with “Ushū Kidō Sadahide” (羽州城戸貞秀), later he moved to Kyōto and
became a student of Gassan Sadayoshi (月山貞吉) in Ōsaka, he worked mostly in the style of his master, chūjō-saku
would be interesting to have the full translation of the signature