They fabricated family trees (such as 'the family tree of the South family' in the "Shoka keizusan" (the genealogies of the various families)) depicting that Ryosuke NISHIKI (Nishiki no Sukune), who became Sadaishi (senior recorder of junior fifth rank) in the next generation of Kiyoyuki, as Kiyoyuki's son under the name of Nishikori no Obito (an original family name of the Miyoshi clan) who later received the title of Nishiki no Sukune; and Ryosuke's son Tsurayuki NISHIKI as the father of Shigeaki MIYOSHI.
清行の次の世代に史(律令制)を務めた錦良助（錦宿禰）を三善氏の旧姓である錦部首を名乗った後に錦宿禰を授けられた清行の子とし、その子錦連行を三善茂明の父として位置づける系図を作成した（『諸家系図纂』所収「南家系図」など）。