was a Japanese samurai of the mid-Edo period who was the founder of the Hitotsubashi-Tokugawa family, one of the Gosankyà Â, the three lesser branches of the Tokugawa family. He was the fourth son of Tokugawa Yoshimune, the eighth shà Âgun with his concubine, Oume no Kata. He is the grandfather of Tokugawa Ienari the eleventh shà Âgun, His child-hood name was "Kogorà Â" (å°ÂäºÂéÂÂ) and when Oume died at 1721, he was raised by his grandmother Joenin until her death 1726 and later he was raised by Okume no Kata, Yoshimune's concubine.