Sachiko,_Princess_Hisa--Emperor_Taishō

Sachiko, Princess Hisa (久宮祐子内親王, Hisa-no-miya Sachiko Naishinnō, 10 September 1927 – 8 March 1928) was the second daughter and child of Emperor Shōwa and his wife, Empress Kōjun. Her personal name was Sachiko, and her title was Hisa-no-miya. Princess Shigeko was her older sister; her younger siblings were born after her death.
Sachiko died in 1928 of pneumonia, aged 5 months and 27 days.