Although Yuhitsu existed in the Tokugawa clan as a warring lord, because those Yuhitsu who were working for Ieyasu TOKUGAWA when he was in Mikawa Province were appointed to administrative posts, such as Bugyo or Daikan, or Fudai Daimyo (a daimyo in hereditary vassal to the Tokugawa family) as Ieyasu expanded his influence and subdued various regions to unify Japan, it is thought that many of them who were hired as Yuhitsu when the Edo Bakuhu was established were the children of the Bugyo-shu belonged to the former Muromachi Bakuhu (Naosuke SOGA), the Yuhitsu-shu of the Toyotomi government (Shigeyasu OHASHI), supported the 'eastern' army at the Battle of Sekigahara, and the Yuhitsu of the former Gohojo clan, served Ieyasu when he subdued Kanto region.
戦国大名としての徳川氏にも右筆は存在したと考えられるが、徳川家康の三河国時代の右筆は家康の勢力拡大と天下掌握の過程で奉行・代官などの行政職や譜代大名などに採用されたために、江戸幕府成立時に採用されていた右筆は多くは旧室町幕府奉行衆の子弟（曾我尚祐）や関ヶ原の戦いで東軍を支持した豊臣政権の右筆衆（大橋重保）、関東地方平定時に家康に仕えた旧後北条氏の右筆（久保正俊）などであったと考えられている。