The second son of [[So Yoshinobu|Sô Yoshinobu]], he served for a time as House Elder (''[[Karo|Karô]]'') but after his elder brother [[So Yoshiyuki|Sô Yoshiyuki]] died, in [[1752]] he succeeded him to become lord of the domain. | The second son of [[So Yoshinobu|Sô Yoshinobu]], he served for a time as House Elder (''[[Karo|Karô]]'') but after his elder brother [[So Yoshiyuki|Sô Yoshiyuki]] died, in [[1752]] he succeeded him to become lord of the domain. |