TADAYUKI (忠行), 4th gen., Genbun (元文, 1736-1741), Settsu – “Awataguchi Settsu no Kami Minamoto Tadayuki” (粟田口摂津守源忠行), “Tachibana Tadayuki” (橘忠行), real name Asai Sada´emon (浅井貞右衛門), he signed in early years with Tadatsugu (忠継) in the way “Awataguchi Fujiwara Tadatsugu” (粟田口藤原忠継)