During the period of Emperor Gohanazono who came from the Fushiminomiya family to Emperor Goyozei of early seventeenth century (early Edo period), Imperial succession was conducted smoothly by the male Imperial members of the direct lineage, without any disputes or sharing of the throne, this was the longest period in Japanese history when Imperial succession was conducted smoothly without problems.
それでも伏見宮家から入った後花園天皇から17世紀前期（江戸時代初期）の後陽成天皇まで、直系男子が継承紛争もなく迭立もないまま順調に皇位を継承していき、日本史上もっとも皇位継承が長期間にわたり穏やかに行われた時代でもある。