Both the Jimyoin family and the Bomon family had collateral branches; however, during the Muromachi period, the Bomon family and its collateral families Shirakawa, Takakura, and Rokkaku were cut off, and only the Matsunoki family, and the Jimyoin family and its collateral families including the Sono family, prevailed.
庶家としては、持明院家の庶家と坊門家の庶家が存在するが、坊門家及びその庶流である白河・高倉・六角の庶家は室町時代には断絶し、松木家・持明院家及び園家をはじめとする持明院家の庶家のみが後世に伝承した。