was a Japanese samurai of the mid-Edo period who was the founder of the Hitotsubashi-Tokugawa family, one of the Gosankyō

Gosankyo

The ' were three branches of the Tokugawa clan of Japan. They were descended from the eighth of the fifteen Tokugawa shoguns, Yoshimune . Yoshimune established the Gosankyo to augment the Gosanke, the heads of the powerful han of Owari, Kishū, and Mito...

, the three lesser branches of the Tokugawa family. He was the fourth son of Tokugawa Yoshimune

Tokugawa Yoshimune

was the eighth shogun of the Tokugawa shogunate of Japan, ruling from 1716 until his abdication in 1745. He was the son of Tokugawa Mitsusada, the grandson of Tokugawa Yorinobu, and the great-grandson of Tokugawa Ieyasu.-Lineage:...

, the eighth shogun. Munetada's wife was Tomohime (Akiko), the daughter of the imperial regent Ichijō Kaneka

Ichijo Kaneka

, son of regent Takatsukasa Fusasuke and adopted son of regent Kaneteru, was a kugyō of the Edo period of Japan. He held a regent position kampaku from 1737 to 1746. He married a daughter of Asano Tsunanaga, fourth head of Hiroshima Domain, and an adopted daughter of Ikeda Tsunamasa, second head...

; she bore his eldest son, Shigemasa

Matsudaira Shigemasa

' was a Japanese daimyo of the Edo period, who ruled the Fukui Domain.-References:...

. Munetada also had a concubine by the name of Oyuka, who bore his sons Shigetomi, Harusada, Haruyuki, Kenzaburō, and his daughter Yasuhime (later, the wife of Shimazu Shigehide). His two other sons, Sennosuke and Kanejirō, were born by yet another concubine.