One important event was the adoption of Tokugawa Ieyasu's grandson, Komatsumaru (1611–1673), by Takeda Kenshoin (fourth daughter of Takeda Shingen).
Én vigtig begivenhed var, at Tokugawa Ieyasu's barnebarn, Komatsumaru (1611-1673), blev adopteret af Takeda Kenshoin (fjerde datter af Takeda Shingen).