In 1611 a meeting was held in Nijo-jo Castle's palace (present-day Ninomaru Palace) between Ieyasu and Hideyori TOYOTOMI; it is said that at this time Ieyasu was surprised at Hideyori's growth, became afraid that the TOKUGAWA family might be overthrown and he decided to destroy the Toyotomi family.
慶長16年（1611年）に、二条城の御殿（現在の二の丸御殿）において家康と豊臣秀頼の会見が行われるが、このとき家康は秀頼の成長ぶりに驚き徳川家の天下が覆されるかもしれないとの危機感を抱き、豊臣家を滅ぼすことを決意したとも言われている。