Princess Takamatsu

Kikuko, Princess Takamatsu , born Kikuko Tokugawa , known informally as Princess Kikuko, was a member of the Japanese Imperial Family. The Princess was married to Prince Takamatsu, the third son of Emperor Taishō and Empress Teimei. She was, therefore, a sister-in-law of Emperor Shōwa and an aunt of the following emperor, Akihito. She was mainly known for philanthropic activities, particular her patronage of cancer research organizations. At the time of her death, Princess Takamatsu was the oldest member of the Imperial Family.