The 1st generation and founder of the household is the 5th prince of Emperor Kameyama, Imperial Prince Moriyoshi, however, his estates were forced to be given, not to his biological son, but to the son (latter day Fukakusanomiya) of Imperial Prince Hisaaki (Jimyoin-to) by intervention of Kamakura bakufu.
亀山天皇の第五皇子・守良親王を初代とするが、その後所領を鎌倉幕府の介入により、実子ではなく久明親王（持明院統）の子（後の深草宮）に譲らされた。