"The Nakane clan"The Nakane clan that was included in TAIRA no Yoshifumi line published in the Kansei Keifu (a pedigree record edited in the Kansei era) can be traced back to Tadamasa's youngest son Masamochi NAKANE (Shichiro Masamochi), who was staying in Done-go, Mikawa Province to avoid the Hogen War and Masayuki, one of his descendants served Kiyoyasu MATSUDAIRA and Hirotada MATSUDAIRA and Masayuki's descendants served as the vassals of the Edo Shogunate.
【中根氏】寛政系譜の良文流に収める中根氏は、実は保元の乱を避けて三河国道根郷に蟄居した忠正が末男・中根正持（七郎正持）であり末裔の正行が松平清康・松平広忠に仕えて中老となり子孫は江戸幕臣となる。