(from swordsmith fom Japan, Sesko) maybe:
MASAHIRO (正広), Jōō (承応, 1652-1655), Satsuma → YUKIHIRO (行広), 1st gen., Jōō (承応, 1652-1655)
MASAHIRO (正広), Genbun (元文, 1736-1741), Satsuma – “Sasshū-jū Fujiwara Masahiro” (薩州住藤原正広), real
name Somekawa Mokuzaemon (染川杢左衛門), he signed later with Kunitsugu (国次)
YUKIHIRO (行広), 1st gen., Jōō (承応, 1652-1655), Satsuma –
“Kawachi no Kami Fujiwara Yukihiro”
(河内守藤原行広), real name Somekawa Tarōzaemon (染川太郎左衛門), he was the son of Somekawa Saibei
Masayasu (染川才兵衛正安) and succeeded as 3rd gen. of the Somekawa family, he studied under Izu no Kami
Masafusa (伊豆守正房) and signed first with Masahiro (正広), later he moved to Kyōto to study under Izumi no Kami
Rai Kinmichi (和泉守来金道), there he also received the honorary title Kawachi no Kami and changed his name from
Masahiro to Yukihiro