While Tsunekuni and Tadamune resided in Kanto region, Yoshikatsu resided in the capital as well as Yoshitaka and moved up in government service smoothly as the Taira family had been growing its power.
が、経国、忠宗が関東にあったのに比べ、義高らと同じく都に住し、平家が勢力を強めるに従って順調な官途を進んだ。