Then, Ujimasa presented his second son, Ujinao, to Ujizane for adoption, and let Ujinao succeed the headship of the Imagawa family in order to justify the Ujimasa's rule over the Suruga Province.
そして氏政の次男である氏直を氏真の養子として今川の家督を継承し、駿河領有の正当化を図った。