As Tsunayoshi TOKUGAWA had no son who could succeed him, the lord of the Kofu domain Ienobu TOKUGAWA, who was his nephew, became the sixth shogun, and after Ienobu, Ietsugu TOKUGAWA assumed the position of the seventh shogun, although he was still little.
徳川綱吉に後継となる男子が生まれなかった為、甥の甲府藩主徳川家宣が6代将軍に次いで、7代将軍に幼児の徳川家継が就任する。