Sô Yoshikatsu was the 29th head of the [[So clan|Sô clan]] and the 12th [[Edo period]] lord of [[Tsushima han]]. The sixth son of [[So Yoshinaga|Sô Yoshinaga]], he was originally known by the childhood name Tomiju. | Sô Yoshikatsu was the 29th head of the [[So clan|Sô clan]] and the 12th [[Edo period]] lord of [[Tsushima han]]. The sixth son of [[So Yoshinaga|Sô Yoshinaga]], he was originally known by the childhood name Tomiju. |