The family name Nijō derived from Yoshizane's residence in Kyoto, where is believed to locate between two roads, the south of "Nijō-Ōji" (二条大路) and the east of "Higashi no Tōin-Ōji" (東洞院大路).[3] As of the Muromachi and Edo period, Nijō family had a relative close relationship comparing with other four regent houses, and the leaders of the Nijō were given names (henki, 偏諱) from that of incumbent shōguns'.[4]Nijō Nariyuki, the last Sesshō and Kampaku, regent from the Fujiwara clan, also came from this family.[5]
In 1526, Tominokōji Sukenao (富小路資直, d. 1535) was promoted to the rank dōjō (堂上) of Kuge, and the ancestor of the Tominokōji family, Tominokōji Michinao (富小路道直), was claimed to be a son of Nijō Michihira.[6]
The Matsuzono family (松園家, Matsuzono-ke) was founded by Ryū’on (隆温), the 19th son of Nijō Harutaka, and he was a Buddhist monk in Daijō-in [ja] from 1830 to 1868; during the Meiji era, Ryū’on took the family name Matsuzono as of 1869; he also adopted Hisayoshi, third son of his cousin Kujō Hisatada, as his heir.[8]
^ ab"九条(九條)家(摂家)". Archived from the original on 27 April 2019. Retrieved 4 October 2019.{{cite web}}: CS1 maint: bot: original URL status unknown (link)