Hearing that Mitsuyuki helped his uncle in the battle of Tanabe-jo Castle (Tango Province) which was accompanied by the Battle of Sekigahara in Tanabe-jo Castle, Tango Province, Ieyasu TOKUGAWA thought highly of Mitsuyuki and hired him as hatamoto (direct vassal of the shogun).
後に関ヶ原の戦いに付随して生じた丹後国田辺城(丹後国)の戦い（田辺城の戦い）において、光行はよく叔父を助けたことを知った徳川家康に高く評価されて旗本として召しだされた。