Q:Facts:   - caption: official photo    - death date: 17 november 1969      - titles: prince , head of the mito-tokugawa family    - birth date: 13 december 1886    - name: tokugawa kuniyuki    - image: tokugawa kuniyuki.jpg   Based on these bullet points, write a short biography describing the life of kuniyuki tokugawa .
A:
prince was the 13th head of the mito branch of the tokugawa clan and the president of the house of peers in the diet of japan .