Junkei became the head of the family at the age of 2, however, since he could not manage the administrative affairs of course, his uncle Junsei TSUTSUI did those things as his guardian.
順慶はわずか2歳で当主となるが、その年齢で政務を執れるはずが無く、叔父の筒井順政が後見人を務めた。