Count Hayashi Tadasu, GCVO was a career diplomat and cabinet minister in Meiji period Japan.
Hayashi was born in Sakura city, Shimsa Province ., as the son of Sat Taizen, a physician practicing Dutch medicine for the Sakura Domain. He was adopted as a child by Hayashi Dokai, a physician in the service of the Tokugawa shogunate, from whom he received the family name Hayashi, but he sometimes referred to himself as Sat Tosabur. He learned English at the Hepburn Academy in Yokohama .
Source: Wikipedia