These Joko's who assumed the reigns of government also belong to those who were referred to as Chiten no kimi (the retired emperor in power) (however, Joko who assumed power is not necessarily a Chiten no kimi.)
これら政権を握った上皇は、また治天の君（ちてんのきみ）と称された内に含まれる（「政権を握った上皇＝治天の君」ではない）。