| The powerful gokenin (immediate vassal of the shogunate during the Kamakura and Muromachi through Edo periods) of Yoritomo and Oyama clans that claimed being the direct descendants of FUJIWARA no Hidesato, faced a similar situation as well. |
頼朝の有力御家人、藤原秀郷流の直系を名乗る小山氏も同じである。 |