Matsukata Masayoshi
Haru Matsukata was born in Tokyo. She was a granddaughter of Matsukata Masayoshi, a prime minister in the Meiji era known for his liberal policies over financial affairs, and silk importer and exporter Ryoichiro Arai. She was also a niece of the successful industrialist and art collector Kōjirō Matsukata. She was a sister of Tané Matsukata, founder of the Matsukata Academy, later renamed the Nishimachi International School, in Tokyo. Her second cousin was Nobuhiko Ushiba, who served as Japanese Ambassador to the United States from 1970 to 1973. Her sisters were jewelry designer Miye Matsukata, educator Tané Matsukata, Mari Bruck, Naka Rawsthorne, and brother Mako Matsukata.