From Masanobu, several kuge families originated including the Niwata, Ayanokōji, Itsutsuji, Ōhara and Jikōji. From his fourth son Sukeyosi, the Sasaki clan originated, and thus Kyōgoku clan originated.
In the Medieval Period, the Sasaki clan ruled Omi, and afterward the Rokkaku clan, Kyōgoku clan and Azai clans ruled Omi.
Harada Mukashi and a few other scholars believe that Sasaki was actually assassinated by Miyamoto and his students – the Sasaki clan apparently was a political obstacle to Lord Hosokawa, and defeating Sasaki would have been a political setback to his religious and political foes.
The Amago clan (尼子氏, Amago-shi), descended from the Emperor Uda (868–897) by the Kyogoku clan, descending from the Sasaki clan (Uda Genji).
In the Muromachi period, it was ruled successively by the Sasaki clan, the Yamana clan and the Kyōgoku clan.