However, because his older brother Takasue KUKI was opposed Hisataka with a sense of dissatisfaction about this succession and caused a commotion, Hisataka was required by bakufu to take responsibility for this, and was transferred and decreased to Sanda Domain, Settsu Province of 36000 koku from Toba Domain, Shima Province, and Takasue was transferred to Ayabe Domain, Tanba Province of 20000 koku, then the Kuki clan lost their naval force inherited from Yoshitaka.
しかし兄の九鬼隆季がこの相続に不満を持って対立、騒動を引き起こしたため、幕府からその責任を問われて久隆は志摩国鳥羽藩から摂津三田藩3万6000石に減移封、隆季は丹波国綾部藩2万石に移され、ここに嘉隆以来の水軍力を九鬼氏は失ってしまったのである。