He was the third son of [[Tokugawa Mitsusada]] of the [[Kishu Tokugawa clan|Kishû Tokugawa clan]], and succeeded his father as lord of the 555,000 ''[[koku]]'' domain of [[Wakayama han]] in [[1705]]. | He was the third son of [[Tokugawa Mitsusada]] of the [[Kishu Tokugawa clan|Kishû Tokugawa clan]], and succeeded his father as lord of the 555,000 ''[[koku]]'' domain of [[Wakayama han]] in [[1705]]. |