| Since Yoshimoto IMAGAWA who was a younger maternal half-brother of Ujiteru and won 'Hanakura no Ran' (Hanakura Rebellion), which was a succession dispute, and allied with the Kai-Takeda clan, he worsened the relationship with the Gohojo clan of Sagami Province, causing the 'Kato War'. |
その後の家督争いである「花倉の乱」に勝利した氏輝の同母弟今川義元は、甲斐の武田氏と同盟したために相模の後北条氏との関係を悪化させ、「河東の乱」を引き起こした。 |