After the war, Kagekatsu had a younger brother of his confidant Kanetsugu NAOE, called Yoshichi HIGUCHI, adopted, whereupon he took on the Oguni clan and changed the name to Okuni.
戦後景勝は、腹心の直江兼続の弟、樋口与七を養子に入れて強引に小国氏を継がせ、大国と改姓。