His Imperial Highness Prince Mikasa
- Name
- Lineage
- Eldest Son of Prince Mikasa
- Date of Birth
- Coming of Age Ceremony
- 5 January 1966 (at the age of 20)
- Honorary Positions
- President of the Social Welfare Organization Yuai Jyuji Kai
- President of the Arinomama-sha
- President of the Social Welfare Organization "saiseikai" Imperial Gift Foundation Inc.
- President of the New Technology Development Foundation
- President of the Princess Takamatsu Cancer Research Fund
- President of the Nippon Billiard Association
- President of the Professional Ski Instructors Association of Japan
- President of the Collegiate Skating And Ice Hockey Federation
- Honorary President of the Japan Rugby Football Union
- Honorary President of the Japan-British Society
- Honorary President of the Norway-Japan Society
- Education
- 1968 - Graduated from the Department of Political Studies in the Faculty of Law of Gakushuin University
- 1968-1970 - Studied at Magdalen College, University of Oxford, UK
- 1970-1972 - Served as a committee member on the organizing committee for the Sapporo Winter Olympics.
- 1975 - Served as a member of the secretariat for the Okinawa International Marine Exhibition and Overseas Marine Youth Meeting.
Her Imperial Highness Princess Tomohito of Mikasa
- Name
- Lineage
- Third Daughter of the late Takakichi Aso
- Date of Birth
- Honorary Positions
- President of the Tokyo Jikeikai
- Honorary President of the Japan Rose Society
- Honorary Vice-President of the Japanese Red Cross Society
- Education
- 1973 - Graduated from Rosslyn House College, UK
Marriage
- Imperial House Council
- Engagement Ceremony (Nosai no Gi)
- Marriage
Children
- Elder Daughter
- Her Imperial Highness Princess Akiko
- Date of Birth : 20 December 1981
- Since October 2004 she has been studying at Merton College of the University of Oxford in the United Kingdom.
- Second Daughter
- Her Imperial Highness Princess Yohko
- Date of Birth : 25 October 1983
- Graduated from the Gakushuin Women's College
She has been working at the Japanese Red Cross Society since December 2006.