is a Japanese aristocratic kin group. The Nijà  was a branch of the Fujiwara clan, founded by Kujà  Michiie's son Nijà  Yoshizane. The Nijà  was one of the Five regent houses; from which, the Sesshà  and Kampaku were chosen.
The family name Nijà  derived from Yoshizane's residence in Kyoto, where is believed to locate between two roads, the south of "Nijà Â-à Âji" (äºÂæÂ¡å¤§è·¯) and the east of "Higashi no Tà Âin-à Âji" (æÂ±æ´Âé¢大路). As of the Muromachi and Edo period, Nijà  family had a relative close relationship comparing with other four regent houses, and the leaders of the Nijà  were given names (henki, Ã¥ÂÂ諱) from that of incumbent shà Âguns'. Nijà  Nariyuki, the last Sesshà  and Kampaku, regent from the Fujiwara clan, also came from this family.
In 1526, Tominokà Âji Sukenao (å¯Âå°Âè·¯è³Âç´, d. 1535) was promoted to the rank dà Âjà  (å Âä¸Â) of Kuge, and the ancestor of the Tominokà Âji family, Tominokà Âji Michinao (å¯Âå°Âè·¯éÂÂç´), was claimed to be a son of Nijà  Michihira.
The was founded by Ryà «âÂÂon (éÂÂ温), the 19th son of Nijà  Harutaka, and he was a Buddhist monk in from 1830 to 1868; during the Meiji era, Ryà «âÂÂon took the family name Matsuzono as of 1869; he also adopted Hisayoshi, third son of his cousin Kujà  Hisatada, as his heir.