She was born at Tsugaru's family home in Tokyo, she is the fourth daughter of Count Yoshitaka Tsugaru, the last representative of the Tsugaru clan and adopted son of the daimyō of the Tsugaru Domain. Yoshitaka Tsugaru was originally from the Owari branch of the Tokugawa clan. He was also a member of the aristocracy created by the Meiji Restoration. Her mother, Hisako Mōri, was a descendant of the Mōri clan and also of the former daimyō of Chōshū Domain in the former province of Nagato. Hanako Tsugaru attended the prestigious Gakushūin School for her primary, junior high, and high school education, a school for Peers founded to educate the children of the imperial family and the imperial aristocracy. She graduated from the Gakushūin Women's Junior College in 1961.
Marriage
Hanako met her future husband, Prince Masahito, during her studies at Gakushuin. The Imperial Household Council announced the engagement of Prince Masahito and Hanako Tsugaru on 28 February 1964 and the engagement ceremony was held on 14 April 1964. The wedding ceremony took place on 30 September 1964. Upon marriage, Prince Masahito received the title Prince Hitachi and authorization from the Imperial Household Economy Council to form a new branch of the Imperial Family. As tradition dictates, upon her entry into the imperial family and like other members, she received a personal emblem : rhododendron. They have no children. Since December 1976, Prince Hitachi and Princess Hitachi have their official residence in a palace in large grounds off Komazawadori in Higashi in the district of Shibuya in Tokyo.
Public service
Princess Hitachi, like her husband, was elected on 5 September 2007 by the other members of the imperial family to be one of their main representatives to the Imperial Household Council as a member. Both the members and reserve members, including Princess Hitachi, were re-elected on 7 September 2011. In 2017, the Princess was diagnosed with lumbar spondylosis and was hospitalized in September for further treatments. She made her first public appearance in April 2018. It was her first public engagement in 11 months. Princess Hitachi is president of various organizations that concern themselves with welfare and the arts. She has also translated various children's books from English into Japanese.
Translation
Princess Hitachi has translated various children books from English into Japanese.
The Eighty-Ninth Kitten by Eleanor Nilsson
The Most Obedient Dog in the World, by Anita Jeram
It was Jake, by Anita Jeram
A Guide Dog Puppy Grows Up, by Caroline Arnold
Titles and styles
Hanako is styled as Her Imperial Highness The Princess Hitachi. Prior to her marriage on 30 September 1964, she was styled as "Lady Hanako Tsugaru".
On both sides of her family, Princess Hitachi is descended from the old feudal aristocracy. She is a second cousin once removed of the late Kikuko, Princess Takamatsu who was, as were both Princess Hitachi's parents, a descendant of the Tokugawa clan of Mito. She is also a second cousin to Takamasa Ikeda, former head of the Ikeda clan and husband of her sister-in-law, Atsuko Ikeda. The late Setsuko, Princess Chichibu was also a descendant of the Mito-Tokugawa line, and was her fourth cousin once removed. Prince and Princess Hitachi are also cousins several times over, but are most directly fifth cousins through their descent from the :ja:正親町三条家|Ōgimachisanjō clan; their most recent common ancestor is their four-times great-grandfather :ja:正親町三条公則|Ōgimachisanjō Kinnori, a senior courtier. As a result, Princess Hitachi is also a fifth cousin of the present Emperor and his siblings. and both a fourth cousin and a fifth cousin of Yuriko, Princess Mikasa.
