Fueba 【笛場】2 The Japanese surnames etymology dictionary.
Gunma-ken , Saitama-ken . Creation . In Gunma-ken Tano-gun Kan'na-machi , Toukyou-to Chiyoda-ku Chiyoda tells us that since the Edo period from Nishida Toshizumi, the shogunate of the Edo shogunate of the government agency, it changed from Kurosawa surname. By presumption "meaning to keep a house" means. There is an example to use "three" for you. 黒沢 reference.