Hendrik van Haaster was a physician resident at the Dutch East India Company base at Dejima from 1734-1738. He had at least one child by a courtesan of the Maruyama, possibly Wakamatsu of the Tanba-ya.
References
- Gary Leupp, Interracial Intimacy in Japan: Western Men and Japanese Women, 1543-1900, A&C Black (2003), 123.