As the Emperor chose his uncle Prince Higashikuni as prime minister to assist the American occupation, there were attempts by numerous leaders to have him put on trial for alleged war crimes. Many members of the imperial family, such as Princes Chichibu, Takamatsu, and Higashikuni, pressured the Emperor to abdicate so that one of the Princes could serve as regent until Crown Prince Akihito came of age. On 27 February 1946, the Emperor's youngest brother, Prince Mikasa (Takahito), even stood up in the privy council and indirectly urged the Emperor to step down and accept responsibility for Japan's defeat. According to Minister of Welfare Ashida's diary, "Everyone seemed to ponder Mikasa's words. Never have I seen His Majesty's face so pale."